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

Independent test result

Semax

by Seus Peptides· batch SX5-260701

99.19 %

measured purity· July 27, 2026

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

How this batch compares

This batch measured 99.19%, 0.21 pts below the all-vendor average of 99.40% across 100 COAs from 35 vendors.

97.7% 100.0%
This batch 99.19% Peptide avg (100 COAs) 99.40%
Compare pricing

See Semax pricing across 35 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