Peptide ChooserRetatrutide
Not approvedResearch-useChecked 31 Oct 2026
Not approved: in clinical trials; no approved product. FDA source, 30 Oct 2026. Our weight loss page lists it. The lowest price at the 10 shops shown below is $0.60/mg (Chimera Peptides), checked 18 Oct 2026.
Evidence by goal
What each goal page that lists it says, word for word, with its sources. The evidence rating comes from a goal page's checked options table; a goal without one shows "Not rated".
| Goal | Evidence in people | What the goal page says |
|---|---|---|
| Weight lossRetatrutide | Not rated | A newer three-hormone shot, still in trials. Sold online only from research-use shops. |
Where it is sold
The 10 shops in the price window on our goal pages, each with its cheapest listing by price per mg, most checks first. Research-use sellers; we do not link to them. Prices checked 31 Oct 2026.
| Shop | Size | Price | Per mg | Checks |
|---|---|---|---|---|
| Iron Aminos | 600 mg | $804.99 | $1.34/mg | 4 of 5 checksLab reports: yesNo FDA letter: yesCompany found: yesLegal pages: noFresh prices: yes |
| Step One Ventures | 100 mg | $140.00 | $1.40/mg | 4 of 5 checksLab reports: yesNo FDA letter: yesCompany found: yesLegal pages: noFresh prices: yes |
| IDUN Peptides | 300 mg | $559.99 | $1.87/mg | 4 of 5 checksLab reports: yesNo FDA letter: yesCompany found: yesLegal pages: noFresh prices: yes |
| Go Alpha Labs (AlphaLabs Peptides) | 600 mg | $1,518.99 | $2.53/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Southern Aminos | 100 mg | $126.50 | $1.26/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Rocky Mountain Compounds | 300 mg | $395.00 | $1.32/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Lost Coast Aminos | 60 mg | $75.00 | $1.25/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Renova Peptides | 1000 mg | $1,200.00 | $1.20/mg | 3 of 5 checksLab reports: yesNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Chimera Peptides | 600 mg | $359.00 | $0.60/mg | 2 of 5 checksLab reports: noNo FDA letter: yesCompany found: noLegal pages: noFresh prices: yes |
| Royal Peptides LLC | 1000 mg | $1,200.00 | $1.20/mg | 1 of 5 checksLab reports: noNo FDA letter: noCompany found: noLegal pages: noFresh prices: yes |
Price per mg is the price divided by the stated amount. Checks are facts we hold about the seller, not a safety or quality grade. How we rate
FDA warning letters
Our letters list is by company, not by substance. The letters page lists all 172, each with its subject and a link to fda.gov; filter it by a company name.
Sources
- FDA, status of Retatrutide, 30 Oct 2026: https://www.accessdata.fda.gov/scripts/cder/daf/index.cfm