For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

Glutathione

by Glacier Aminos· batch GLU1.5A01

Purity not on file· tested November 12, 2025

New to reading a COA? See how to read a peptide COA →

How this batch compares

This batch has no measured purity on file. Across 3 tested batches of Glutathione from Glacier Aminos, measured purity averages 99.62%. Across all vendors, Glutathione averages 99.55% over 87 COAs.

98.2% 100.0%
Vendor avg (3 batches) 99.62% Peptide avg (87 COAs) 99.55%
Compare pricing

See Glutathione pricing across 28 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.

Where to buy

Product pages for this peptide at Glacier Aminos

From the same lot

Other tests in lot GLU1.5A01

Same batch, independently tested. Cross-confirm the purity claim.