Metabolic
Retatrutide
Also sold as LY3437943, Reta
Triple agonist (GLP-1, GIP, glucagon) and the most frequently tested peptide on the market this year. Prices vary widely between vendors, so purity and fill accuracy matter more here than anywhere else.
- Vendors tested
- 14
- of 18 listed
- Samples passed
- 100%
- of 16 results
- Median price
- $9.55/mg
- 10 mg vials typical
Who leads Retatrutide
Ranked by pass score: the recency weighted share of each vendor’s Retatrutide samples that met 99.5% purity, confirmed identity, and fill within 25% of the label.
- 1 Atomik Labz 2 of 2 passed, latest Oct 24, 2026, sold as Peptide 3 (R) Buy Peptide 3 (R) at atomiklabz.com 100.0
- 2 Solution Peptides 2 of 2 passed, latest Sep 9, 2026, sold as Peptide 3 (R) Buy Peptide 3 (R) at solutionpeptides.net 100.0
- 3 Skye Peptides 1 of 1 passed, latest Oct 6, 2026 100.0
- 4 Modern Aminos 1 of 1 passed, latest Jul 20, 2026 100.0
- 5 ezPeps 1 of 1 passed, latest Oct 2, 2026 100.0
- 6 Ion Peptides 1 of 1 passed, latest Oct 12, 2026 100.0
- 7 Peptide Maxxing 1 of 1 passed, latest Oct 15, 2026 100.0
- 8 Peptidology 1 of 1 passed, latest Sep 12, 2026 100.0
- 9 Peptide Partners 1 of 1 passed, latest Oct 20, 2026 100.0
- 10 Crush Research 1 of 1 passed, latest Oct 9, 2026 100.0
- 11 Simple Peptide 1 of 1 passed, latest May 27, 2026 100.0
- 12 Southern Aminos 1 of 1 passed, latest Oct 1, 2026 100.0
- 13 Particle Peptides 1 of 1 passed, latest Sep 29, 2026 100.0
- 14 Polaris Peptides 1 of 1 passed, latest Oct 3, 2026 100.0