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

Independent test result

SS-31

by Modern Research Peptides· batch KBBP9201

99.75 %

measured purity· May 27, 2026

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How this batch compares

This batch measured 99.75%, 0.11 pts below Modern Research Peptides's average of 99.86% for this peptide over 6 batches, and right at the all-vendor average of 99.72% across 117 COAs from 29 vendors.

98.5% 100.0%
This batch 99.75% Vendor avg (6 batches) 99.86% 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.