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

Independent test result

Thymosin Beta-4 (Tβ4/Thymosin Beta 4)

by EZ Peptides· batch 127-MKTTEST50528-5M

97.00 %

measured purity· January 16, 2025

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

How this batch compares

This batch measured 97.00%, 0.87 pts below EZ Peptides's average of 97.87% for this peptide over 42 batches, and 1.32 pts below the all-vendor average of 98.32% across 61 COAs from 11 vendors.

53.6% 100.0%
This batch 97.00% Vendor avg (42 batches) 97.87% Peptide avg (61 COAs) 98.32%
Compare pricing

See Thymosin Beta-4 (Tβ4/Thymosin Beta 4) pricing across 11 verified vendors

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