Biotin COA — Verified Certificate of Analysis Results
2 independent third-party certificates of analysis for Biotin, from 1 labs across 1 vendors (2026-05-07 to 2026-05-07).
Every Biotin certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 2 published Biotin certs in our corpus.
2
Certificates
1
Independent labs
99.6%
Median tested purity
100%
Within 10% of label dose
↑ 0%
Overdosed (≥ +7% vs label)
↓ 50%
Underdosed (≤ −7% vs label)
Verified Biotin certificates of analysis
| Vendor | Purity | Dose vs label | Lab | Tested | |
|---|---|---|---|---|---|
| Peptide Club | 99.4% | -7.0% | Freedom Diagnostics | 2026-05-07 | View COA → |
| Peptide Club | 99.59% | +0.5% | Freedom Diagnostics | 2026-05-07 | View COA → |