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

Independent test result

Thymosin alpha-1

by Ion Peptide· batch TA110-04202026

99.98 %

measured purity· April 22, 2026

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

How this batch compares

This batch measured 99.98%, 0.33 pts above Ion Peptide's average of 99.66% for this peptide over 16 batches, and 0.38 pts above the all-vendor average of 99.60% across 89 COAs from 21 vendors.

98.1% 100.0%
This batch 99.98% Vendor avg (16 batches) 99.66% Peptide avg (89 COAs) 99.60%
Compare pricing

See Thymosin alpha-1 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.