Every Glutathione certificate of analysis below is from an independent third-party lab, ingested and verified by TitrateLab. The figures here are computed live from the 37 published Glutathione certs in our corpus.

37
Certificates
4
Independent labs
99.8%
Median tested purity
70%
Within 10% of label dose

Verified Glutathione certificates of analysis

VendorPurityDose vs labelLabTested
Peptide Gurus 98.391% +12.3% Janoshik 2026-05-19 View COA →
Chameleon Peptides LLC 96.996% -5.0% Janoshik 2026-03-06 View COA →
Panda Peptides LLC 96.996% -5.0% Janoshik 2026-03-06 View COA →
www.uwa- biotech.com 98.596% +20.8% Janoshik 2026-02-26 View COA →
Glutathione 98.755% Janoshik 2026-02-11 View COA →
Beibangan 99.338% Janoshik 2026-01-05 View COA →
Verified Peptides 99.194% +11.0% Janoshik 2025-12-31 View COA →
Prizm Peptides 99.098% Janoshik 2025-12-16 View COA →
(unknown) 99.309% Janoshik 2025-12-08 View COA →
Eternal Peptides 99.287% +10.0% Janoshik 2025-12-03 View COA →
Peptide Dynamics 99.317% +14.5% Janoshik 2025-11-26 View COA →
www.innopetide.com 99.168% +12.7% Janoshik 2025-11-24 View COA →
Unknown - drop-shipper pseudonym (alicepeptides@gmail.com) 99.151% +8.7% Unknown 2025-11-21 View COA →
Tianjin Finder Chemical Tfc 99.151% +8.7% Janoshik 2025-11-21 View COA →
Peptide Powerhouse 99.749% +2.5% Janoshik 2025-11-13 View COA →
Transforma Peptides 99.749% +2.5% Janoshik 2025-11-13 View COA →
Modern Research LLC 99.792% +0.6% Janoshik 2025-10-30 View COA →
Purus Peptides 99.914% +1.0% Janoshik 2025-10-10 View COA →
(unknown) 99.874% +0.5% Janoshik 2025-10-08 View COA →
Edge Peptides 99.849% +2.6% Janoshik 2025-09-26 View COA →
molipeptide.com 99.933% +1.1% Janoshik 2025-09-17 View COA →
aisenpeptide.com 99.933% +1.1% Janoshik 2025-09-17 View COA →
suppeptide.com 99.933% +1.1% Janoshik 2025-09-17 View COA →
Peptira 99.971% +12.2% Janoshik 2025-08-29 View COA →
Penguin Peptides 99.927% +12.4% Janoshik 2025-07-28 View COA →
Injectify 99.898% +5.4% Janoshik 2025-07-08 View COA →
Xcel Peptides 99.97% Janoshik 2025-06-17 View COA →
Sigma Audley 99.927% +6.0% Janoshik 2025-05-31 View COA →
GENLABS 99.9% +6.7% Janoshik 2025-05-30 View COA →
www.ywaozuo.com 99.924% +7.6% Janoshik 2025-05-28 View COA →
www.qinglishangmao.com 99.924% +7.6% Janoshik 2025-05-28 View COA →
Uther Peptide 99.91% +39.5% Janoshik 2025-05-06 View COA →
Verified Peptides 99.95% Janoshik 2025-04-28 View COA →
Tci 99.9% +1.0% Forever Young Pharmacy 2024-12-19 View COA →
Life Link Research 99.848% Janoshik 2024-10-29 View COA →
Qingdao Sigma Chemical 99.975% -12.1% Janoshik 2024-04-10 View COA →
Tianjin Finder Chemical Tfc 99.73% +0.7% Unknown 2023-11-21 View COA →

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