Testing services Reference pricing How it works Verify a COA

Client account

Welcome back

Sign in to view and download certificates issued to your account.

Email addressPassword

New to QCTests? Create an account

Peptide and cosmetic testing coordination with traceable COA verification.

ServicesPeptide testing Cosmetic testing Reference pricing

CertificatesVerify a COA Client sign in Create account

Contactsupport@qctests.comOnline enquiries, offline serviceMonday–Friday

© 2026 QCTestsTesting is performed by selected partner laboratories. Final scope is confirmed offline.