For research use only. Not for human consumption. Not medical advice — consult a licensed clinician.

Independent test result

SS-31

by optimasupply.is· batch OS-2026-6720

99.79 %

measured purity· June 22, 2026

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How this batch compares

This batch measured 99.79%, 0.08 pts above the all-vendor average of 99.72% across 117 COAs from 29 vendors.

98.5% 100.0%
This batch 99.79% Peptide avg (117 COAs) 99.72%
Compare pricing

See SS-31 pricing across 29 verified vendors

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