Independent test result
Glutathione
by Ion Peptide· batch GLUL5-122925
99.73 %
measured purity· December 30, 2025
How this batch compares
This batch measured 99.73%, right at Ion Peptide's average of 99.77% for this peptide over 12 batches, and 0.16 pts above the all-vendor average of 99.57% across 31 COAs from 13 vendors.
98.6% 100.0%
This batch 99.73% Vendor avg (12 batches) 99.77% Peptide avg (31 COAs) 99.57%