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

Independent test result

SS-31

by Ion Peptide· batch SS31-L-1125

99.79 %

measured purity· November 25, 2025

New to reading a COA? See how to read a peptide COA →

How this batch compares

This batch measured 99.79%, right at Ion Peptide's average of 99.83% for this peptide over 25 batches, and 0.08 pts above the all-vendor average of 99.71% across 93 COAs from 21 vendors.

98.5% 100.0%
This batch 99.79% Vendor avg (25 batches) 99.83% 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.

Keep exploring

See more evidence