Every GLP-3 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 7 published GLP-3 certs in our corpus.

7
Certificates
1
Independent labs
99.9%
Median tested purity
29%
Within 10% of label dose
↑ 71%
Overdosed (≥ +7% vs label)
↓ 0%
Underdosed (≤ −7% vs label)

Verified GLP-3 certificates of analysis

VendorPurityDose vs labelLabTested
Peptaris 99.82% +38.7% Freedom Diagnostics 2026-07-02 View COA →
Peptaris 99.82% +35.4% Freedom Diagnostics 2026-07-02 View COA →
Proof Peptides 99.86% +24.1% Freedom Diagnostics 2026-06-09 View COA →
Proof Peptides 99.74% +6.0% Freedom Diagnostics 2026-06-09 View COA →
The Peptique 99.92% +5.3% Freedom Diagnostics 2026-06-07 View COA →
Pured Research 99.88% +17.4% Freedom Diagnostics 2026-06-03 View COA →
The Peptide Source 99.963% +11.3% Freedom Diagnostics 2025-10-11 View COA →

More COA results by compound