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Independent test result

Cortagen

by Ion Peptide· batch CN20-012026

99.50 %

measured purity· January 23, 2026

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How this batch compares

This batch measured 99.50%, right at Ion Peptide's average of 99.50% for this peptide over 2 batches, and 0.09 pts below the all-vendor average of 99.59% across 6 COAs from 4 vendors.

99.0% 99.9%
This batch 99.50% Vendor avg (2 batches) 99.50% Peptide avg (6 COAs) 99.59%
Compare pricing

See Cortagen pricing across 4 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.