Independent test result
Glutathione
99.55 %
measured purity· March 4, 2026
How this batch compares
This batch measured 99.55%, right at the all-vendor average of 99.57% across 31 COAs from 13 vendors.
98.6% 100.0%
This batch 99.55% Peptide avg (31 COAs) 99.57%