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

Independent test result

Oxytocin

by Ion Peptide· batch OT2-123125

99.28 %

measured purity· January 3, 2026

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

How this batch compares

This batch measured 99.28%, right at Ion Peptide's average of 99.26% for this peptide over 10 batches, and 0.31 pts above the all-vendor average of 98.98% across 42 COAs from 19 vendors.

96.0% 100.0%
This batch 99.28% Vendor avg (10 batches) 99.26% Peptide avg (42 COAs) 98.98%
Compare pricing

See Oxytocin pricing across 19 verified vendors

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