Retatrutide
"Triple G"
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Product description
Retatrutide (LY3437943, CAS# 2381089-83-2) is a synthetic peptide compound classified as a triple receptor agonist with binding activity at the GLP-1 receptor (GLP-1R), glucose-dependent insulinotropic polypeptide receptor (GIPR), and glucagon receptor (GcgR). Supplied by BIOSTACKS as a lyophilized powder for in vitro laboratory research use. This compound has not been authorized by Health Canada for any therapeutic, clinical, or human use.
How to use it
Each vial arrives as lyophilized (freeze-dried) powder and must be reconstituted with bacteriostatic water before use in a research setting. Add the water slowly down the inside wall of the vial, then swirl gently until clear — never shake. Once reconstituted, keep it refrigerated and use within 28 days.
Open the step-by-step reconstitution guideStorage & stability
Sealed lyophilized vials are stable at ambient temperatures for 30 days and indefinitely at −20°C. After reconstitution, refrigerate at 2–8°C in the original vial and use within 28 days. Keep the vial out of direct light and avoid repeated temperature swings and agitation.
Quality & testing
Quality and purity tests are performed on random batches, covering identity (mass spec), purity (HPLC, ≥ 99%%) and endotoxin results.
Browse our certificates of analysis →Shipping & returns
Orders placed before 3:00 PM ET on a business day are typically shipped the same day, in plain, discreet packaging; transit is estimated at 2–4 business days.
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About Retatrutide
Research context: Retatrutide is an investigational compound studied in scientific research involving GLP-1R, GIPR, and GcgR signalling pathways. Research into this compound remains ongoing. It has not been authorized by Health Canada for human or veterinary use.
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FAQ
Common questions
Each vial contains lyophilized peptide, sealed under vacuum with a butyl stopper and aluminum crimp cap. Bacteriostatic water is sold separately.
Store the sealed vial at 2–8°C in a dark environment. After reconstitution, keep refrigerated and use within 28 days.
Yes — every batch ships with a signed COA showing HPLC purity, mass spec confirmation, and endotoxin results. Download the sample COA above.
Larger vials offer the same peptide at a lower per-mg cost. Reconstitution volume scales linearly with size.