Independent test result
Glutathione
by Peptide Supply Co.· batch GTK150022026
99.61 %
measured purity(HPLC)· February 23, 2026
- HPLC purity
- 99.61
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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 0.06 pts above the all-vendor average of 99.55% across 87 COAs from 28 vendors.
98.2% 100.0%
This batch 99.61% Vendor avg (2 batches) 99.32% Peptide avg (87 COAs) 99.55%
Compare pricing
See Glutathione pricing across 28 verified vendors
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