Retatrutide is a triple-receptor agonist research peptide studied for activity across GLP-1, GIP, and glucagon receptor pathways.
Retatrutide is commonly researched as a multi-pathway incretin peptide with activity at GLP-1, GIP, and glucagon receptors. It is evaluated in metabolic research models related to glucose regulation, energy expenditure, appetite signaling, insulin-response pathways, and body composition studies.
PeptSafe synthesizes Retatrutide domestically and supplies it as a lyophilized (freeze-dried) powder, sealed under vacuum in a single-use vial. Each batch is built to a ≥99% purity standard and confirmed by an independent laboratory before it ships.
Every vial is labeled with a lot number that matches its certificate of analysis, so the exact identity and purity of the material you receive is documented — not assumed.
Sold strictly as a reference material for in-vitro laboratory research. Not for human or veterinary use, and not intended to diagnose, treat, cure, or prevent any condition.
Identity is confirmed by mass spectrometry and purity by HPLC, performed by an independent third-party laboratory on every production lot.
The certificate of analysis ships in the box and is available on this page. The lot printed on your vial matches the lot on the certificate, so verification is one-to-one.
If the material you receive doesn't match the purity documented on its COA, we'll replace it or refund you in full under the PeptSafe purity guarantee.
Store cold. Protect from light. Keep the sealed lyophilized vial refrigerated and away from light and moisture. Kept this way, the powder is stable for extended periods.
Handle in a controlled laboratory environment using appropriate protective equipment, consistent with standard reference-material practice.
Handling and storage information is provided for laboratory research purposes only and is not guidance for any use in humans or animals.
On purity, packaging, and shipping.
≥99% purity, COA in every box, and US shipping in about 3 days.