Retatrutide 20mg

Synthetic 39-amino-acid peptide analog with fatty-acid modification, supplied as a lyophilized solid under argon and shipped with desiccant. Classified as a GIP/GLP-1/glucagon receptor triple agonist and studied in vitro for receptor-binding and signaling characterization. Each lot is assayed by an independent laboratory; the certificate of analysis for the current lot is linked below.
- Purity
- ≥99% (HPLC)
- Certificate of Analysis
- Download current lot COA
- We'd tell you to just trust us, but that's exactly what the sketchy vendors say. So here's the COA instead.
Packed and personally checked by Aubrey before it ships — not a warehouse, not a stranger.
For Research Use Only. Not for human consumption.
All products listed on this site are for in vitro laboratory research only — not for human or veterinary use, nor any clinical, diagnostic, or therapeutic application. By purchasing you affirm you are a qualified researcher aged 21 or older.
Payment details are sent by email after you place the order. Flat $9.95 USPS shipping, dispatched within 24 hours of payment clearing. Shipping & returns
Specifications
| CAS number | 2381089-83-2 |
|---|---|
| Molecular formula | C221H342N46O68 |
| Molecular weight | 4731.3 g/mol |
| Purity | ≥99% (HPLC) |
| Form | Lyophilized powder |
| Appearance | White to off-white lyophilized solid |
| Storage | Store lyophilized at −20 °C, protected from light and moisture |
| Synonyms / aliases | Retatrutide, LY3437943, GLP-3 (RT) |
Frequently asked
- What purity is Retatrutide 20mg supplied at?
- Retatrutide 20mg is supplied at ≥99% (HPLC). The purity figure for the lot you receive is stated on that lot's independent certificate of analysis, linked on this page.
- Who performs the testing?
- Every lot is assayed by an independent third-party laboratory — not in-house. The certificate of analysis is the lab's own document, published in full rather than summarized.
- How is Retatrutide 20mg shipped and stored?
- It ships as a lyophilized powder with desiccant, typically within 24 hours of payment clearing. Store lyophilized material at −20 °C, protected from light and moisture, and avoid repeated freeze-thaw cycles.
- What is this product intended for?
- In vitro laboratory research only. It is not a drug, food, cosmetic, or medical device, and it is not for human or veterinary use, nor for any clinical, diagnostic, or therapeutic application.
- How do I pay?
- Payment details are sent by email after the order is placed; the order ships once payment clears.




