Every PNC-27 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 28 published PNC-27 certs in our corpus.

28
Certificates
2
Independent labs
99.5%
Median tested purity
57%
Within 10% of label dose
↑ 35%
Overdosed (≥ +7% vs label)
↓ 9%
Underdosed (≤ −7% vs label)

Verified PNC-27 certificates of analysis

VendorPurityDose vs labelLabTested
Unknown vendor (review) 99.15% -3.4% Freedom Diagnostics 2026-06-29 View COA →
Unknown vendor (review) 99.88% Freedom Diagnostics 2026-06-21 View COA →
Unknown vendor (review) 99.92% +36.0% Freedom Diagnostics 2026-06-13 View COA →
Unknown vendor (review) 99.61% +116.0% Freedom Diagnostics 2026-05-31 View COA →
Unknown vendor (review) 99.44% +14.1% Freedom Diagnostics 2026-05-30 View COA →
Unknown vendor (review) 99.64% +17.4% Freedom Diagnostics 2026-04-18 View COA →
Unknown vendor (review) 99.58% +6.4% Freedom Diagnostics 2026-04-14 View COA →
Unknown vendor (review) 99.6% +36.2% Freedom Diagnostics 2026-04-03 View COA →
Unknown vendor (review) 99.373% +43.4% Freedom Diagnostics 2026-03-16 View COA →
Unknown vendor (review) 99.24% +21.6% Freedom Diagnostics 2026-03-14 View COA →
Unknown vendor (review) 99.484% Freedom Diagnostics 2026-02-10 View COA →
cs@ruo.bio 99.22% -14.4% Janoshik 2026-01-21 View COA →
Qingdao Sigma Chemical 99.146% +4.2% Janoshik 2026-01-19 View COA →
Unknown vendor (review) 99.633% Freedom Diagnostics 2026-01-16 View COA →
Unknown vendor (review) 99.641% +44.2% Freedom Diagnostics 2025-12-26 View COA →
Unknown vendor (review) 99.483% +4.6% Freedom Diagnostics 2025-12-20 View COA →
Unknown vendor (review) 99.206% -4.0% Freedom Diagnostics 2025-11-26 View COA →
Unknown vendor (review) 98.028% Freedom Diagnostics 2025-11-08 View COA →
Unknown vendor (review) 98.757% +6.6% Freedom Diagnostics 2025-10-16 View COA →
Unknown vendor (review) 96.66% -0.8% Freedom Diagnostics 2025-10-10 View COA →
Unknown vendor (review) 99.438% -5.3% Freedom Diagnostics 2025-10-02 View COA →
Nuscience Peptides 99.578% +1.1% Freedom Diagnostics 2025-09-30 View COA →
Unknown vendor (review) 99.39% -15.7% Freedom Diagnostics 2025-09-21 View COA →
Xcel Peptides 99.502% +0.0% Janoshik 2025-07-04 View COA →
Eros Labs 99.263% +0.0% Janoshik 2025-06-29 View COA →
Peptide Gurus +0.0% Janoshik 2025-03-20 View COA →
Polaris Peptides 99.671% Janoshik 2024-11-07 View COA →
PEPTIDES WORLD 99.622% +0.0% Janoshik 2024-06-24 View COA →

More COA results by compound