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

Independent test result

Thymalin

by Kimera Chems· batch KC-TYL-BLU1

99.50 %

measured purity· January 2, 2026

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

How this batch compares

This batch measured 99.50%, 0.08 pts below the all-vendor average of 99.58% across 21 COAs from 9 vendors.

98.3% 100.0%
This batch 99.50% Peptide avg (21 COAs) 99.58%
Compare pricing

See Thymalin pricing across 9 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