{"title":"Peptides","description":"","products":[{"product_id":"retatrutide","title":"Retatrutide","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eRetatrutide\u003c\/strong\u003e is a next-generation synthetic peptide designed for advanced preclinical research. As a triple incretin receptor agonist, it simultaneously targets GLP-1R, GIPR, and glucagon receptors, making it one of the most mechanistically complex compounds available for metabolic signalling research in 2026.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable in \u003cstrong\u003e10mg\u003c\/strong\u003e, \u003cstrong\u003e20mg\u003c\/strong\u003e, \u003cstrong\u003e30mg,\u003c\/strong\u003e \u003cstrong\u003e40mg, 50mg and 60mg\u003c\/strong\u003e vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMulti-receptor agonism studies (GLP-1R \/ GIPR \/ Glucagon receptor)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMetabolic and energy homeostasis pathway modelling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eComparative receptor engagement vs single and dual agonist compounds\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGut-brain axis and appetite regulation research\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAvailable sizes: 10mg · 20mg · 30mg · 40mg - 50mg - 60mg\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57006482882937,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"20mg","offer_id":57006482915705,"sku":null,"price":80.0,"currency_code":"GBP","in_stock":true},{"title":"30mg","offer_id":57006482948473,"sku":null,"price":105.0,"currency_code":"GBP","in_stock":true},{"title":"40mg","offer_id":57006482981241,"sku":null,"price":120.0,"currency_code":"GBP","in_stock":true},{"title":"50mg","offer_id":57371596194169,"sku":null,"price":135.0,"currency_code":"GBP","in_stock":true},{"title":"60mg","offer_id":57371596226937,"sku":null,"price":150.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/RETATRUTIDE_20mg.jpg?v=1775718391"},{"product_id":"tirz-20mg","title":"Tirzepatide","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eTirzepatide is a synthetic dual incretin receptor agonist that simultaneously activates both GIP (glucose-dependent insulinotropic polypeptide) and GLP-1 (glucagon-like peptide-1) receptors. Its unique dual-agonist profile makes it a highly valuable compound for researchers studying multi-pathway metabolic signalling, receptor pharmacology, and gut-brain axis modulation.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable in 10mg, 20mg, 30mg and 40mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDual GIP\/GLP-1 receptor agonism and binding kinetics studies\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eComparative research vs single-agonist GLP-1 compounds\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eInsulin secretion and metabolic pathway modelling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGut-brain axis and appetite signalling research\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePancreatic beta-cell function studies\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAvailable sizes: 10mg · 20mg · 30mg · 40mg\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10 mg","offer_id":57379322233209,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true},{"title":"15 mg","offer_id":57006480032121,"sku":null,"price":60.0,"currency_code":"GBP","in_stock":true},{"title":"20 mg","offer_id":57379322265977,"sku":null,"price":70.0,"currency_code":"GBP","in_stock":true},{"title":"30 mg","offer_id":57006480064889,"sku":null,"price":85.0,"currency_code":"GBP","in_stock":true},{"title":"40 mg","offer_id":57379322298745,"sku":null,"price":100.0,"currency_code":"GBP","in_stock":true},{"title":"50 mg","offer_id":57086093361529,"sku":null,"price":115.0,"currency_code":"GBP","in_stock":true},{"title":"60 mg","offer_id":57379259285881,"sku":null,"price":125.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/tirz-tirzepatide-15mg-peptide_0e59940c-2cf7-4fa9-8f4d-c390102d1e51.webp?v=1780579762"},{"product_id":"sema","title":"Semaglutide","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eSemaglutide is a synthetic GLP-1 (glucagon-like peptide-1) receptor agonist and one of the most extensively studied metabolic peptides in preclinical research. Its high receptor binding affinity and extended half-life profile make it a reference compound for investigating GLP-1 signalling pathways, glucose-dependent insulin secretion, and central appetite regulation mechanisms.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable in 15mg vial. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGLP-1 receptor binding kinetics and agonism studies\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGlucose metabolism and insulin secretion pathway modelling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAppetite regulation and gut-brain axis research\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eComparative studies vs dual and triple incretin receptor agonists\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMetabolic disease pathway investigation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAvailable sizes: 15mg.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"Default Title","offer_id":57006556610937,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/SEMAGLUTIDE15mg.jpg?v=1775719127"},{"product_id":"cagrilintide","title":"Cagrilintide","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eCagrilintide is a synthetic long-acting amylin analogue designed for advanced preclinical research into metabolic signalling pathways. As an amylin receptor agonist with an extended half-life profile, it offers researchers a highly stable compound for investigating the role of amylin in appetite regulation, gastric emptying, and energy homeostasis — including its complementary mechanisms alongside GLP-1 receptor agonists.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable in 10mg vial. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAmylin receptor agonism and binding kinetics studies\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAppetite regulation and satiety signalling pathway research\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eGastric motility and emptying mechanism modelling\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eEnergy homeostasis and weight regulation pathway investigation\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCombination research alongside GLP-1 receptor agonists (e.g. semaglutide)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAvailable sizes: 15mg\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"Default Title","offer_id":57090091942265,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/Cagrilintide10mg.jpg?v=1776439864"},{"product_id":"bacteriorastic-water-10ml","title":"Bacteriostatic Water","description":"\u003cp\u003e\u003cspan\u003eBacteriostatic Water \u003c\/span\u003e\u003cspan\u003e is a sterile, multi-use diluent solution supplied exclusively for laboratory and research purposes. Manufactured to strict quality standards, it is commonly used in controlled research environments for peptide reconstitution and compound preparation.\u003c\/span\u003e\u003c\/p\u003e","brand":"RETA-UK","offers":[{"title":"3ml","offer_id":57318311362937,"sku":null,"price":8.0,"currency_code":"GBP","in_stock":true},{"title":"10ml","offer_id":57318311395705,"sku":null,"price":11.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/bac-water-10ml_1_e52adb90-4b87-49bc-8883-fc5b5449c5fc.webp?v=1779701468"},{"product_id":"ghk-cu","title":"GHK-Cu","description":"\u003cp\u003eGHK-Cu is a synthetic copper peptide complex composed of three amino acids — glycine, histidine, and lysine — bound to a copper(II) ion. Originally identified in human plasma, this naturally occurring molecule has become one of the most extensively investigated compounds in regenerative biology research. Its unique copper-binding properties make it a reference compound for studying redox-mediated cellular signalling and matrix remodelling pathways.\u003c\/p\u003e\n\u003cp\u003eAvailable in 50mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWound healing and dermal regeneration model studies\u003c\/li\u003e\n\u003cli\u003eCollagen synthesis and extracellular matrix remodelling research\u003c\/li\u003e\n\u003cli\u003eGlycosaminoglycan and proteoglycan biosynthesis pathway investigation\u003c\/li\u003e\n\u003cli\u003eCellular redox balance and oxidative stress mechanism research\u003c\/li\u003e\n\u003cli\u003eStem cell proliferation and differentiation studies\u003c\/li\u003e\n\u003cli\u003eHair follicle stem cell pathway research\u003c\/li\u003e\n\u003cli\u003eGene expression modulation studies (over 4,000 human genes documented)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 50mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"50mg","offer_id":57231646032249,"sku":null,"price":17.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/GHK-Cu50mg.webp?v=1778237103"},{"product_id":"bpc-157-tb-500-mix","title":"BPC-157 \/ TB-500 Mix","description":"\u003cp\u003eBPC-157 \/ TB-500 Mix is a research-grade combination peptide that pairs two of the most extensively studied compounds in tissue repair research within a single vial — 10mg of Body Protection Compound-157 and 10mg of Thymosin Beta-4 Fragment 17-23. The combination provides researchers with a single reagent for investigating complementary repair pathways, including angiogenesis-associated signalling, cellular migration, and extracellular matrix remodelling.\u003c\/p\u003e\u003cp\u003eAvailable in 20mg vials (10mg BPC-157 + 10mg TB-500). Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTissue repair and wound healing pathway modulation studies\u003c\/li\u003e\n\u003cli\u003eMusculoskeletal and connective tissue regeneration research\u003c\/li\u003e\n\u003cli\u003eAnti-inflammatory cytokine signalling investigation\u003c\/li\u003e\n\u003cli\u003eAngiogenesis and cellular migration model studies\u003c\/li\u003e\n\u003cli\u003eComparative research on combined vs single-compound repair pathways\u003c\/li\u003e\n\u003cli\u003eExtracellular matrix remodelling and actin regulation studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 20mg (10mg BPC-157 + 10mg TB-500)\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"20mg","offer_id":57231793848697,"sku":null,"price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/BPC-157TB-500Mix20mg.webp?v=1778238669"},{"product_id":"tesamorelin","title":"Tesamorelin","description":"\u003cp\u003eTesamorelin is a research-grade synthetic analogue of growth hormone-releasing hormone (GHRH). It binds to GHRH receptors on the anterior pituitary, stimulating endogenous growth hormone release. Modified with a hexenoyl group at the N-terminus to extend half-life and resist enzymatic degradation, Tesamorelin has become a reference compound for studying pulsatile GH secretion and its downstream effects on body composition and metabolism.\u003c\/p\u003e\u003cp\u003eAvailable in 10mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGHRH receptor binding and pituitary stimulation studies\u003c\/li\u003e\n\u003cli\u003ePulsatile growth hormone release pattern research\u003c\/li\u003e\n\u003cli\u003eVisceral adipose tissue and lipodystrophy research models\u003c\/li\u003e\n\u003cli\u003eIGF-1 axis and downstream metabolic signalling investigation\u003c\/li\u003e\n\u003cli\u003eBody composition and metabolic homeostasis studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 10mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57231881011577,"sku":null,"price":70.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/Tesamorelin10mg_702bfd4f-1c7e-48c7-a3ea-613fd5517179.webp?v=1778240038"},{"product_id":"semax","title":"Semax","description":"\u003cp\u003eSemax is a research-grade synthetic heptapeptide derived from the 4-7 fragment of adrenocorticotropic hormone (ACTH), modified with a Pro-Gly-Pro tripeptide extension that enhances stability and bioactivity. It is one of the most extensively studied nootropic peptides in Russian neuroscience literature, recognised for its capacity to upregulate brain-derived neurotrophic factor (BDNF) and modulate central neurotransmitter systems including dopamine, serotonin, and acetylcholine.\u003c\/p\u003e\u003cp\u003eAvailable in 10mg and 30mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBDNF upregulation and neurotrophic factor pathway modulation studies\u003c\/li\u003e\n\u003cli\u003eCognitive function, memory consolidation and learning research models\u003c\/li\u003e\n\u003cli\u003eNeuroprotective mechanism investigation against hypoxia and oxidative stress\u003c\/li\u003e\n\u003cli\u003eNeurotransmitter system modulation (dopaminergic, serotonergic, cholinergic)\u003c\/li\u003e\n\u003cli\u003eEnkephalin degradation inhibition and endogenous opioid pathway research\u003c\/li\u003e\n\u003cli\u003eComparative nootropic peptide research vs Selank and other CNS compounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable sizes: 10mg · 30mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57231883534713,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true},{"title":"30mg","offer_id":57231883567481,"sku":null,"price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/Semax10mg.webp?v=1778240069"},{"product_id":"selank","title":"Selank","description":"\u003cp\u003eSelank is a research-grade synthetic heptapeptide derived from the immunomodulatory tetrapeptide tuftsin, with an N-terminal Thr-Lys-Pro-Arg sequence extended by a Pro-Gly-Pro tripeptide. This modification provides enhanced enzymatic stability while preserving the parent compound's biological activity. It is widely studied as a nootropic and anxiolytic compound, with research focused on its capacity to modulate stress-response pathways without sedative side effects typical of conventional anxiolytics.\u003c\/p\u003e\u003cp\u003eAvailable in 10mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAnxiety modulation and stress response pathway studies\u003c\/li\u003e\n\u003cli\u003eCognitive enhancement and memory consolidation research\u003c\/li\u003e\n\u003cli\u003eBDNF expression and neuroprotection investigation\u003c\/li\u003e\n\u003cli\u003eImmune system modulation via tuftsin-derived pathways\u003c\/li\u003e\n\u003cli\u003eGABAergic neurotransmission and anxiolytic mechanism research\u003c\/li\u003e\n\u003cli\u003eComparative nootropic peptide studies vs Semax and other CNS compounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 10mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57231885828473,"sku":null,"price":24.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/Selank10mg.webp?v=1778240107"},{"product_id":"igf-lr3","title":"IGF-LR3","description":"\u003cp\u003eIGF-LR3 (Insulin-like Growth Factor 1, Long Arg3) is a research-grade synthetic analogue of human IGF-1 modified with a 13-amino-acid N-terminal extension and an arginine substitution at position 3. These two modifications dramatically reduce affinity for IGF-binding proteins (IGFBPs), extending its functional half-life and increasing receptor availability in research settings. It is one of the most extensively studied IGF-1 analogues in cellular proliferation and anabolic signalling research.\u003c\/p\u003e\u003cp\u003eAvailable in 1mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCellular proliferation and myoblast differentiation studies\u003c\/li\u003e\n\u003cli\u003eIGF-1 receptor binding kinetics and downstream PI3K\/Akt signalling\u003c\/li\u003e\n\u003cli\u003eGlucose uptake and insulin sensitivity pathway research\u003c\/li\u003e\n\u003cli\u003eMuscle protein synthesis and anti-catabolic mechanism investigation\u003c\/li\u003e\n\u003cli\u003eComparative research vs native IGF-1 and other growth factor analogues\u003c\/li\u003e\n\u003cli\u003emTOR pathway activation and cellular growth signalling studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 1mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"1mg","offer_id":57231887270265,"sku":null,"price":75.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/IGF-1LR31mg.webp?v=1778240117"},{"product_id":"klow","title":"KLOW","description":"\u003cp\u003eKLOW is a research-grade combination peptide formulation that consolidates four extensively studied compounds into a single vial — BPC-157, TB-500, KPV, and GHK-Cu. Each component targets complementary biological pathways, providing researchers with a unified reagent for investigating multi-pathway tissue-protection, repair, and remodelling mechanisms simultaneously. The acronym reflects the four constituents (KPV, LKK[T]ETQ fragment of TB-500, OCTA of BPC, and GHK-Cu copper tripeptide).\u003c\/p\u003e\u003cp\u003eAvailable in 80mg vials (combined formulation). Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMulti-pathway tissue repair and wound healing modulation studies\u003c\/li\u003e\n\u003cli\u003eAnti-inflammatory signalling research via KPV and BPC-157 mechanisms\u003c\/li\u003e\n\u003cli\u003eMusculoskeletal regeneration through TB-500 actin-binding pathways\u003c\/li\u003e\n\u003cli\u003eCollagen synthesis and skin matrix remodelling via GHK-Cu copper signalling\u003c\/li\u003e\n\u003cli\u003eSynergistic vs single-compound comparative research models\u003c\/li\u003e\n\u003cli\u003eMulti-target tissue-protection and regenerative biology studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 80mg combined\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"55mg","offer_id":57231890973049,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/klow-55mg-peptide-research.webp?v=1780583624"},{"product_id":"mots-c","title":"MOTS-C","description":"\u003cp\u003eMOTS-C is a research-grade mitochondrial-derived peptide (MDP) consisting of 16 amino acids encoded within the mitochondrial 12S rRNA gene rather than nuclear DNA. This unique genomic origin redefined our understanding of mitochondria as active endocrine signalling organs. MOTS-C plays a critical role in metabolic homeostasis through activation of AMP-activated protein kinase (AMPK) and modulation of glucose and fatty acid metabolism, making it a reference compound for studying mitochondrial signalling in metabolic and longevity research.\u003c\/p\u003e\u003cp\u003eAvailable in 40mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAMPK activation and cellular energy homeostasis pathway studies\u003c\/li\u003e\n\u003cli\u003eInsulin sensitivity and glucose metabolism research\u003c\/li\u003e\n\u003cli\u003eFatty acid oxidation and mitochondrial function investigation\u003c\/li\u003e\n\u003cli\u003eMitochondrial-nuclear retrograde signalling pathway research\u003c\/li\u003e\n\u003cli\u003eLongevity-associated cellular resilience and anti-ageing mechanism studies\u003c\/li\u003e\n\u003cli\u003eComparative research vs other mitochondrial-derived peptides\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 40mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":63737902137721,"sku":null,"price":25.0,"currency_code":"GBP","in_stock":true},{"title":"40mg","offer_id":57231891562873,"sku":null,"price":80.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/MOTS-C10mg.webp?v=1778240131"},{"product_id":"pt-141","title":"PT-141","description":"\u003cp\u003ePT-141, also known as Bremelanotide, is a research-grade synthetic cyclic heptapeptide derived as a metabolite of Melanotan II. It functions as a non-selective melanocortin receptor agonist with particular affinity for MC3R and MC4R subtypes. Unlike vasoactive compounds that act peripherally, PT-141 operates centrally via the nervous system, making it a unique reference compound for studying neuroendocrine and central arousal pathways at the receptor level.\u003c\/p\u003e\u003cp\u003eAvailable in 10mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMelanocortin receptor (MC1R–MC5R) agonism and binding kinetics studies\u003c\/li\u003e\n\u003cli\u003eCentral nervous system arousal signalling research models\u003c\/li\u003e\n\u003cli\u003eNeuroendocrine function and hypothalamic pathway investigation\u003c\/li\u003e\n\u003cli\u003ePeptide-mediated mood and behaviour modulation mechanism studies\u003c\/li\u003e\n\u003cli\u003eComparative research vs PDE5 inhibitors and peripheral vasoactive compounds\u003c\/li\u003e\n\u003cli\u003eα-MSH analogue and pigmentation pathway research\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 10mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57231895003513,"sku":null,"price":30.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/PT-14110mg_c1a0a9d9-a473-447e-8da2-3109df156f00.webp?v=1778240274"},{"product_id":"ss-31","title":"SS-31","description":"\u003cp\u003eSS-31, also known as Elamipretide, is a research-grade synthetic tetrapeptide (D-Arg-Dmt-Lys-Phe-NH₂) that selectively localises to the inner mitochondrial membrane through electrostatic and hydrophobic interactions with cardiolipin. By stabilising cardiolipin and inhibiting reactive oxygen species (ROS) production, SS-31 protects mitochondrial membrane integrity and supports cellular energy production under stress conditions. It is one of the most extensively investigated mitochondria-targeted peptides in oxidative stress and cardioprotection research.\u003c\/p\u003e\u003cp\u003eAvailable in 50mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMitochondrial inner membrane stabilisation and cardiolipin binding studies\u003c\/li\u003e\n\u003cli\u003eReactive oxygen species (ROS) inhibition and redox homeostasis research\u003c\/li\u003e\n\u003cli\u003eCardiac mitochondrial dysfunction and ischaemia-reperfusion model studies\u003c\/li\u003e\n\u003cli\u003eAge-related mitochondrial decline and cellular energy restoration research\u003c\/li\u003e\n\u003cli\u003eNeurodegenerative disease mitochondrial pathway investigation\u003c\/li\u003e\n\u003cli\u003eATP production and electron transport chain efficiency studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 50mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"50mg","offer_id":57231895429497,"sku":null,"price":120.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/SS-3150mg.webp?v=1778240263"},{"product_id":"tb-500","title":"TB-500","description":"\u003cp\u003eTB-500 is a research-grade synthetic peptide comprising the actin-binding domain (sequence LKKTETQ) of the full-length Thymosin Beta-4 protein. This 17-23 fragment retains the bioactive core responsible for actin sequestration and polymerisation modulation, providing researchers with a focused reagent for investigating actin dynamics, cellular migration, and tissue repair pathways without the full parent protein.\u003c\/p\u003e\u003cp\u003eAvailable in 10mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eActin polymerisation modulation and cellular migration pathway studies\u003c\/li\u003e\n\u003cli\u003eMusculoskeletal and connective tissue repair research models\u003c\/li\u003e\n\u003cli\u003eAngiogenesis promotion and vascular tissue recovery investigation\u003c\/li\u003e\n\u003cli\u003eAnti-inflammatory mechanism and fibroblast activation research\u003c\/li\u003e\n\u003cli\u003eWound healing and scar tissue remodelling pathway studies\u003c\/li\u003e\n\u003cli\u003eComparative research vs full-length Thymosin Beta-4 and BPC-157 combinations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 10mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57231895757177,"sku":null,"price":25.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/TB-50010mg.webp?v=1778240402"},{"product_id":"nad","title":"NAD+","description":"\u003cp\u003eNAD+ (Nicotinamide Adenine Dinucleotide) is a research-grade coenzyme found in every living cell, central to redox biology and cellular energy metabolism. It cycles between its oxidised (NAD+) and reduced (NADH) forms while shuttling electrons through the mitochondrial electron transport chain. Beyond bioenergetics, NAD+ serves as a critical substrate for sirtuins (SIRT1–SIRT7) and PARP enzymes — making it a reference compound for studying longevity pathways, DNA repair mechanisms, and the age-associated decline in cellular function.\u003c\/p\u003e\u003cp\u003eAvailable in 500mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSirtuin (SIRT1–SIRT7) activation and longevity-associated gene regulation studies\u003c\/li\u003e\n\u003cli\u003ePARP-mediated DNA repair and genomic stability research\u003c\/li\u003e\n\u003cli\u003eMitochondrial electron transport chain and cellular energy production models\u003c\/li\u003e\n\u003cli\u003eAge-related NAD+ decline and metabolic restoration investigation\u003c\/li\u003e\n\u003cli\u003eCD38 enzyme activity and NAD+ consumption pathway research\u003c\/li\u003e\n\u003cli\u003eComparative research vs NAD+ precursors (NMN, NR) and bioavailability studies\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 500mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"500mg","offer_id":57231902835065,"sku":null,"price":60.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/NAD_500mg.webp?v=1778240742"},{"product_id":"ipamorelin","title":"Ipamorelin","description":"\u003cp\u003eIpamorelin is a research-grade synthetic pentapeptide (Aib-His-D-2-Nal-D-Phe-Lys-NH₂) that functions as a selective ghrelin receptor agonist and growth hormone secretagogue. Distinguished from earlier GHRPs by its high selectivity, Ipamorelin stimulates pulsatile growth hormone release without the cortisol or prolactin elevation observed with broader-acting compounds. This receptor specificity makes it a reference reagent for investigating clean GH-axis activation and downstream effects on body composition, bone density, and metabolic homeostasis.\u003c\/p\u003e\u003cp\u003eAvailable in 10mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003ch3\u003eResearch applications include:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelective ghrelin receptor (GHS-R1a) agonism and binding kinetics studies\u003c\/li\u003e\n\u003cli\u003ePulsatile growth hormone secretion pattern research\u003c\/li\u003e\n\u003cli\u003eBody composition modulation and lean mass research models\u003c\/li\u003e\n\u003cli\u003eBone density and collagen synthesis pathway investigation\u003c\/li\u003e\n\u003cli\u003eNeuroendocrine signalling without cortisol or prolactin elevation\u003c\/li\u003e\n\u003cli\u003eComparative GH secretagogue research vs Tesamorelin and other GHRPs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eProduct specifications:\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable size: 10mg\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57232717742457,"sku":null,"price":45.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/Ipamorelin10mg.webp?v=1778253475"},{"product_id":"melanotan-1","title":"Melanotan 1","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMelanotan I \u003c\/strong\u003eis a synthetic analogue of α-melanocyte-stimulating hormone (α-MSH), developed for advanced preclinical research into melanogenesis and photoprotection. As a melanocortin receptor agonist with primary affinity for MC1R, it stimulates the production of eumelanin, making it a key reference compound for pigmentation and UV-response signalling research in 2026.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable in \u003cstrong\u003e10mg\u003c\/strong\u003e vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMelanocortin receptor agonism studies (MC1R signalling)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMelanogenesis and eumelanin synthesis pathway modelling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eUV-induced skin damage and photoprotection research\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComparative pigmentation studies vs Melanotan II and related analogues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAvailable sizes: 10mg\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57378593866105,"sku":null,"price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/melanotan-I-10mg.jpg?v=1780577273"},{"product_id":"melanotan-2","title":"Melanotan 2","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMelanotan II \u003c\/strong\u003eis a synthetic, non-selective analogue of α-melanocyte-stimulating hormone (α-MSH), \u003cstrong\u003edeveloped for advanced preclinical research \u003c\/strong\u003eacross multiple melanocortin pathways. As a broad melanocortin receptor agonist active at MC1R, MC3R, MC4R and MC5R, it engages a wider receptor profile than Melanotan I, making it one of the most mechanistically versatile melanocortin compounds available for pigmentation, appetite and sexual-function signalling research in 2026.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAvailable in 10mg vials. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMulti-receptor melanocortin agonism studies (MC1R \/ MC3R \/ MC4R \/ MC5R)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMelanogenesis and eumelanin synthesis pathway modelling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMC4R-mediated appetite and energy homeostasis research\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComparative receptor engagement vs Melanotan I and selective melanocortin analogues\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAvailable sizes: 10mg\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57378926461305,"sku":null,"price":20.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/melanotan-II-10mg_eb4842df-77d8-486a-8109-54826b76371b.webp?v=1780577813"},{"product_id":"pinealon-10","title":"Pinealon 10","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePinealon 10\u003c\/strong\u003e is a synthetic short-chain peptide bioregulator (Glu-Asp-Arg) developed for advanced preclinical research into neuroprotection and cognitive function. As a low-molecular-weight peptide capable of crossing the blood-brain barrier, it is studied for its influence on neuronal gene expression and protein synthesis, making it a key reference compound for brain ageing and neuroregulation research in 2026.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAvailable in 10mg vials\u003c\/strong\u003e. Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eNeuroprotection and neuronal viability studies\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCognitive function and memory pathway modelling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOxidative stress and free-radical protection research\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComparative peptide bioregulator studies (Cortexin \/ Cerebrolysin-class compounds)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAvailable sizes: 10mg\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57379056222585,"sku":null,"price":27.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/pinealon10-10mg-peptides-nootropic.webp?v=1780579353"},{"product_id":"eloralintide","title":"Eloralintide","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eEloralintide\u003c\/strong\u003e is a selective, long-acting amylin receptor agonist developed for advanced preclinical research into satiety and energy-balance signalling. Engineered for high selectivity at the amylin receptor over calcitonin receptors, it represents a next-generation tool compound for studying amylin-driven appetite.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEvery batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSelective amylin receptor agonism studies (amylin vs calcitonin receptor selectivity)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eSatiety and appetite regulation pathway modelling\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMetabolic, glycemic and energy homeostasis research\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComparative receptor engagement vs amylin analogues (e.g. Cagrilintide) and incretin compounds\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAvailable sizes: [a confirmar]\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"10mg","offer_id":57379745169785,"sku":null,"price":100.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/eloralintide-10mg-peptide-research-uk.webp?v=1780582114"},{"product_id":"glow","title":"GLOW","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eGLOW\u003c\/strong\u003e is a synergistic\u003cstrong\u003e triple-peptide blend combining GHK-Cu, BPC-157 and TB-500\u003c\/strong\u003e, developed for advanced preclinical \u003cstrong\u003eresearch\u003c\/strong\u003e into tissue repair and regeneration. By pairing three complementary peptides in a single vial, it allows researchers to study converging recovery pathways, angiogenesis, collagen synthesis and cytoskeletal remodelling, within one experimental model, making it one of the most versatile reparative blends available in 2026.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eEach vial contains a 70mg blend (50mg GHK-Cu · 10mg BPC-157 · 10mg TB-500). Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eMulti-pathway tissue repair and wound healing studies\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCollagen synthesis and skin regeneration research\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAngiogenesis and vascular remodelling modelling (TB-500 \/ BPC-157)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eCopper-peptide signalling and antioxidant pathway research (GHK-Cu)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eComposition: GHK-Cu 50mg · BPC-157 10mg · TB-500 10mg (70mg total)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eAvailable sizes: 70mg blend\u003c\/li\u003e\n\u003cli class=\"font-claude-response-body whitespace-normal break-words pl-2\"\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"70mg","offer_id":57380071375225,"sku":null,"price":50.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/glow.webp?v=1780582954"},{"product_id":"tesamorelin-ipamorelin-mix","title":"Tesamorelin \/ Ipamorelin Mix","description":"\u003cp\u003e\u003cstrong\u003eTesamorelin \/ Ipamorelin Mix\u003c\/strong\u003e is a dual growth-hormone secretagogue blend combining Tesamorelin (a GHRH analogue) and Ipamorelin (a selective GHRP \/ ghrelin receptor agonist), developed for advanced preclinical research into growth hormone secretion and metabolic signalling. By pairing a GHRH analogue with a selective GH secretagogue in a single vial, it enables researchers to study the synergistic stimulation of the GH\/IGF-1 axis within one experimental model.\u003c\/p\u003e\u003cp\u003eEach vial contains a 17mg blend (11mg Tesamorelin · 6mg Ipamorelin). Every batch is HPLC tested and independently verified to a minimum of 99% purity. Certificate of Analysis available on request.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eResearch applications include:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGHRH and GHRP synergistic secretagogue studies\u003c\/li\u003e\n\u003cli\u003eGrowth hormone \/ IGF-1 axis pathway modelling\u003c\/li\u003e\n\u003cli\u003eMetabolic and body-composition research\u003c\/li\u003e\n\u003cli\u003eComparative GH secretion vs single secretagogue compounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct specifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForm: Lyophilised powder\u003c\/li\u003e\n\u003cli\u003eComposition: Tesamorelin 11mg · Ipamorelin 6mg (17mg total)\u003c\/li\u003e\n\u003cli\u003ePurity: ≥99% (HPLC verified)\u003c\/li\u003e\n\u003cli\u003eStorage: −20°C, protected from light and moisture\u003c\/li\u003e\n\u003cli\u003eAvailable sizes: 17mg blend\u003c\/li\u003e\n\u003cli\u003eOrigin: UK warehouse, same day dispatch\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RETA-UK","offers":[{"title":"17mg","offer_id":57380853580153,"sku":null,"price":55.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0980\/0394\/3801\/files\/tesa-ipa-mix-peptide_74e2872e-a165-42d5-884e-49fb9cb51a10.png?v=1780649418"}],"url":"https:\/\/reta-uk.com\/collections\/peptides.oembed","provider":"RETA-UK","version":"1.0","type":"link"}