optimasupply.is
Publishes 46 independent COAs from 2 labs across 28 peptides; latest Aug 2026.
› How is this computed?
- Independent COAs (volume × freshness × lab reputation) +40Strong46 COA(s)
- Distinct independent labs +14Strong2 lab(s)
- Median measured purity +22Strong99.5% over 18 COA(s)
- Evidence breadth +10Fair28 peptide(s), 0 lot(s)
Bars show each input's strength versus its plausible maximum. Full methodology on /about.
Measured purity
Aug 2024 – Aug 2026 · 2 years
99.3%
all-time avg · 18 COAs with purity data
Directory average is the monthly mean of every measured COA on file.
- Last 45d
- 99.4%
- 3 COAs
- Low
- 98.2%
- High
- 100.0%
Latest COA
Aug 2026
Founded
—
Status
unknown
28 peptides carried
Peptides this vendor lists. Open one for the listing and any COAs on file.
46 COAs across 28 peptides
Independent third-party test coverage, summarised per peptide. Each health bar is coloured by that peptide's median measured purity.
- Tirzepatide 99.4%7
- BPC-157 99.7%5
- GHK-Cu 99.6%2
- GLOW Blend (GHK-Cu + BPC-157 + TB-500) —2
- Glutathione 99.2%2
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