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

Independent test result

Tirzepatide

by Skye Peptides· batch TZ26-10-001

99.63 %

measured purity(HPLC)· January 14, 2026

HPLC purity
99.626
Net peptide content
11.01

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

How this batch compares

This batch measured 99.63%, 0.19 pts below Skye Peptides's average of 99.82% for this peptide over 10 batches, and right at the all-vendor average of 99.64% across 383 COAs from 54 vendors.

74.5% 100.0%
This batch 99.63% Vendor avg (10 batches) 99.82% Peptide avg (383 COAs) 99.64%
Compare pricing

See Tirzepatide pricing across 54 verified vendors

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