Independent test result
Glutathione
by Peptide Supply Co.· batch GTK150022026
99.61 %
measured purity(HPLC)· February 23, 2026
- HPLC purity
- 99.61
How this batch compares
This batch measured 99.61%, 0.29 pts above Peptide Supply Co.'s average of 99.32% for this peptide over 2 batches, and right at the all-vendor average of 99.58% across 68 COAs from 17 vendors.
98.6% 100.0%
This batch 99.61% Vendor avg (2 batches) 99.32% Peptide avg (68 COAs) 99.58%