Horizon Analytical-tested peptides
Certificates of analysis from Horizon Analytical that peptide vendors publish: which vendors use the lab, which peptides it tested, and what it found. Horizon Analytical's website.
26published reports
4vendors
14peptides
99.41%median purity
101%median measured vs label
Accreditation
No accreditation found
We found no ISO/IEC 17025 accreditation for this lab in the accreditation bodies' registries.
Registries searched: A2LA, PJLA, IAS, ANAB (couldn't be searched) · checked 2026-10-10. ISO/IEC 17025 is the standard for testing-lab competence; we check the accreditation body's own registry, not the lab's claim.
Vendors that publish Horizon Analytical reports
- PepLab Solutions 13 reports · Finnrick 80%
- Aura Peptides 10 reports · Finnrick 79% · COA concerns
- Prime Peptides 2 reports · Finnrick 55%
- EZ Peptides 1 report · Finnrick 75%
Peptides tested by Horizon Analytical
- NAD+ 3
- GHK-Cu 3
- Retatrutide 3
- BPC-157 3
- Tesamorelin 2
- Tirzepatide 2
- MOTS-c 2
- Semaglutide 2
- KLOW 1
- TB-500 1
- CJC-1295 (no DAC) 1
- Ipamorelin 1
- Selank 1
- PT-141 1
Latest Horizon Analytical reports
Reports as published by vendors; numbers are shown where the document is readable text. A vendor's COA shows one tested sample, not every batch. Vendors banned for fake lab reports are excluded.