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

Independent test result

Semax

by CertaPeptides· batch CP-2605-SMX5

98.55 %

measured purity· May 28, 2026

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

How this batch compares

This batch measured 98.55%, 0.85 pts below the all-vendor average of 99.40% across 120 COAs from 35 vendors.

97.7% 100.0%
This batch 98.55% Peptide avg (120 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.

Keep exploring

Semax COAs