Reta One Labs
Publishes 141 independent COAs from 3 labs across 18 peptides; latest Sep 2026.
› How is this computed?
- Independent COAs (volume × freshness × lab reputation) +40Strong94 COA(s)
- Distinct independent labs +20Strong3 lab(s)
- Median measured purity +24Strong99.8% over 82 COA(s)
- Evidence breadth +10Fair13 peptide(s), 33 lot(s)
- Years active +1Limited1 year(s)
Bars show each input's strength versus its plausible maximum. Full methodology on /about.
Measured purity
Jul 2025 – Sep 2026 · 1.2 years
99.7%
all-time avg · 86 COAs with purity data
Hover to read purity to one decimal.Directory average is the monthly mean of every measured COA on file — not a safety rating.
- Last 45d
- 99.7%
- 6 COAs
- Low
- 99.0%
- High
- 100.0%
Latest COA
Sep 2026
Location
🇺🇸Cypress, TX
Founded
2025
Status
active
Payment
Discover · PayPal · Visa · Wire · Zelle
18 peptides carried
Every (peptide, SKU) this vendor lists. Click through for the listing detail and any COAs we have for that exact pair.
141 COAs across 18 peptides
Independent third-party test coverage, summarised per peptide. Each health bar is coloured by that peptide's median measured purity.
- Retatrutide 99.8%61
- Tirzepatide 99.9%17
- Tesamorelin 99.3%12
- GHK-Cu 99.7%10
- MOTS-c 99.2%8
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