Metabolic research
Buy Retatrutide: 10, 20 and 30 mg with Janoshik report
Retatrutide is available in 10, 20 and 30 mg vials from our partner OXpeptides, which ships from the EU with tracking. Each size has its own Janoshik report (purity 99.32 to 99.76 %), published with its verification key. Research use only.
Retatrutide price per size
Technical data
- Name
- Retatrutide
- Sequence
- 39 amino acids
- Molecular formula
- C221H342N46O68
- Molar mass
- 4,731.3 g/mol
- CAS number
- 2381089-83-2
- Form
- Lyophilised powder in a sealed glass vial
About Retatrutide
Retatrutide (LY3437943) is a synthetic peptide of 39 amino acids carrying a C20 fatty-acid side chain. The literature describes it as an agonist of the GLP-1, GIP and glucagon receptors. It is an investigational compound with no marketing authorisation as a medicine in the EU or elsewhere.
It is supplied by OXpeptides as a freeze-dried powder in a sealed glass vial, exclusively as a reference substance for in-vitro research and preclinical laboratory work. EU Peptides has no connection with the developer of the compound.
The three sizes were analysed by Janoshik Analytical on 15 September 2026: 10 mg (task #217194, 99.316 %, 10.59 mg measured), 20 mg (#217014, 99.763 %, 21.88 mg) and 30 mg (#217015, 99.713 %, 32.09 mg).
Certificate of analysis
Questions before you buy
How much does Retatrutide cost?
The price of each size (10, 20 and 30 mg) is shown above, taken from OXpeptides on the date indicated. The 30 mg vial has the lowest price per mg.
Where can I buy Retatrutide in Europe?
At our partner OXpeptides: the button opens its Retatrutide page, you pay there, and the parcel leaves from the EU with tracking.
Is Retatrutide tested?
Yes. Janoshik Analytical tested the 10, 20 and 30 mg batches on 15 September 2026 (99.32 to 99.76 % purity). The reports and their keys are on the certificates page.
Is Retatrutide intended for human use?
No. Retatrutide is supplied as a freeze-dried reference substance for laboratory research only, not for use in humans or animals.
How is Retatrutide stored?
Freeze-dried at −20 °C, away from light and moisture. After reconstitution in the laboratory: 2–8 °C.
Published sources
- Coskun T. et al., Cell Metabolism 34: 1234–1247 (2022), DOI 10.1016/j.cmet.2022.07.013 (molecular characterisation).
- Jastreboff A. M. et al., New England Journal of Medicine 389: 514–526 (2023), DOI 10.1056/NEJMoa2301972 (phase 2 trial).
Often ordered with
For in-vitro research only. Not for human or veterinary use.