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

Independent test result

Thymosin Alpha-1

by Peptide Supply Co.· batch PSCTA110001

99.44 %

measured purity(HPLC)· February 11, 2026

HPLC purity
99.436
Net peptide content
10.08

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

How this batch compares

This batch measured 99.44%, 0.07 pts below Peptide Supply Co.'s average of 99.51% for this peptide over 2 batches, and 0.17 pts below the all-vendor average of 99.61% across 106 COAs from 30 vendors.

98.1% 100.0%
This batch 99.44% Vendor avg (2 batches) 99.51% Peptide avg (106 COAs) 99.61%
Compare pricing

See Thymosin Alpha-1 pricing across 30 verified vendors

Merit's price comparison page pulls current listings so you can cross-check purity history vendor by vendor before you buy.

Where to buy

Product pages for this peptide at Peptide Supply Co.