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

Independent test result

Kisspeptin

by optimasupply.is· batch OS-2026-8274

99.30 %

measured purity· August 28, 2026

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How this batch compares

This batch measured 99.30%, 0.28 pts below the all-vendor average of 99.59% across 70 COAs from 24 vendors.

98.4% 100.0%
This batch 99.30% Peptide avg (70 COAs) 99.59%
Compare pricing

See Kisspeptin pricing across 24 verified vendors

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