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

Independent test result

Thymosin Alpha-1

by Pepsgpt· batch P-1947064-E

Purity not on file· tested May 8, 2026

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

How this batch compares

This batch has no measured purity on file. Across all vendors, Thymosin Alpha-1 averages 99.60% over 89 COAs.

98.1% 100.0%
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.

Keep exploring

See more evidence