Independent test result
Glutathione
by Peptide Supply Co.· batch GTT1.505192026
99.03 %
measured purity· May 20, 2026
How this batch compares
This batch measured 99.03%, 0.29 pts below Peptide Supply Co.'s average of 99.32% for this peptide over 2 batches, and 0.54 pts below the all-vendor average of 99.57% across 31 COAs from 13 vendors.
98.6% 100.0%
This batch 99.03% Vendor avg (2 batches) 99.32% Peptide avg (31 COAs) 99.57%