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All products sold on this website are intended strictly for laboratory and research purposes. They are not for human or animal consumption, use, or application in any form. By purchasing, the Buyer represents and warrants that they are a qualified researcher, laboratory, or institution acquiring these products solely for lawful, non-clinical research purposes, and that the products will not be introduced into the body of any human or animal.
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Retatrutide (LY-3437943) is a triple GLP-1, GIP and glucagon receptor agonist developed by Eli Lilly and currently in Phase 3 trials. In the Phase 2 trial published in the New England Journal of Medicine, participants on the highest dose lost an average of 24.2% of body weight over 48 weeks. Read the full study breakdown in our Retatrutide research guide.
99% purity — Certificate of Analysis (COA) available. Lyophilised vial. Store in a cool, dry place before mixing. After reconstitution with bacteriostatic water, refrigerate at 2–8°C and use within 30 days.
Every batch of Retatrutide we sell has a Certificate of Analysis (COA) confirming 99% purity. A COA is an independent lab report that confirms the compound's identity and purity. Ask us for the COA for your batch before you order, or after it arrives, and we will send it to you. Not sure how to read one? See what COA purity means.
We deliver Retatrutide nationwide: Cape Town and the Western Cape, Johannesburg, Pretoria, Durban, Gqeberha, Bloemfontein and everywhere in between. Orders are packed securely and dispatched from within South Africa, so there are no import delays or customs holds.
Add 1ml of the included bacteriostatic water slowly down the side of the vial and swirl gently. Do not shake. With 1ml of water, each 10 units on a U-100 insulin syringe holds about 3mg. Our peptide dosage guide walks through the maths, and how to store peptides covers storage after mixing.
Right here. Helix Collective SA stocks Retatrutide 30mg vials at R1,500, with bacteriostatic water included.
Yes. We deliver nationwide, including Cape Town and the rest of the Western Cape.
Yes. Contact us via the contact form and we will send you the Certificate of Analysis for your batch.
Semaglutide targets one receptor (GLP-1) and Tirzepatide targets two (GLP-1 and GIP). Retatrutide adds a third, the glucagon receptor. The Retatrutide guide covers the clinical data in detail. We also stock Tirzepatide 30mg and Semaglutide 10mg.
90+ research peptides, peptide pens, and study-backed guides — all in one place.