Every P21 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 3 published P21 certs in our corpus.

3
Certificates
1
Independent labs
98.7%
Median tested purity
50%
Within 10% of label dose
↑ 50%
Overdosed (≥ +7% vs label)
↓ 0%
Underdosed (≤ −7% vs label)

Verified P21 certificates of analysis

VendorPurityDose vs labelLabTested
TrueLab Peptides 99.17% +27.1% Freedom Diagnostics 2026-06-20 View COA →
Suaway Lab Research 98.36% +5.0% Freedom Diagnostics 2026-05-06 View COA →
Modern Aminos 98.745% Freedom Diagnostics 2025-10-11 View COA →

More COA results by compound