Every S-23 certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 8 published S-23 certs in our corpus.

8
Certificates
2
Independent labs
98.0%
Median tested purity
80%
Within 10% of label dose
↑ 20%
Overdosed (≥ +7% vs label)
↓ 0%
Underdosed (≤ −7% vs label)

Verified S-23 certificates of analysis

VendorPurityDose vs labelLabTested
Unknown vendor (review) 99.81% Freedom Diagnostics 2026-06-26 View COA →
PURITY SPORT STYLE -4.8% Janoshik 2025-02-12 View COA →
F40 Biotech +28.7% Janoshik 2025-01-07 View COA →
BIAXOL LTD +6.5% Janoshik 2024-08-16 View COA →
BIAXOL LTD -2.0% Janoshik 2022-09-02 View COA →
(unknown) 98.0% Janoshik 2022-04-29 View COA →
onlythebestaaas.com +2.4% Janoshik 2020-11-13 View COA →
ExpressPCT 98.0% Janoshik 2020-06-16 View COA →

More COA results by compound