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 MKUS2SS1026

99.89 %

measured purity· February 4, 2026

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How this batch compares

This batch measured 99.89%, right at Modern Research Peptides's average of 99.86% for this peptide over 6 batches, and 0.19 pts above the all-vendor average of 99.70% across 134 COAs from 32 vendors.

98.5% 100.0%
This batch 99.89% Vendor avg (6 batches) 99.86% Peptide avg (134 COAs) 99.70%
Compare pricing

See SS-31 pricing across 32 verified vendors

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