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Independent test result

SS-31

by Reta One Labs· batch SS100626

99.19 %

measured purity· May 28, 2026

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How this batch compares

This batch measured 99.19%, right at Reta One Labs's average of 99.19% for this peptide over 2 batches, and 0.52 pts below the all-vendor average of 99.71% across 93 COAs from 21 vendors.

98.5% 100.0%
This batch 99.19% Vendor avg (2 batches) 99.19% Peptide avg (93 COAs) 99.71%
Compare pricing

See SS-31 pricing across 21 verified vendors

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