Quality assurance

Purity testing

Certificates of analysis for the PEAK LABS range are provided by our supplier, GenOrigin Pharmaceutical, with a test date of 2 June 2026 and a retest date of 2 June 2028.

Full certificates are available on request. Click Request report on any product below, or contact us with the products you need documentation for, and we will email the certificate of analysis to you.

Retatrutide
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
Tirzepatide
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
GHK-Cu
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
GLOW Blend (GHK-Cu + BPC-157 + TB-500)
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
KLOW Blend (TB-500 + BPC-157 + KPV + GHK-Cu)
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
BPC-157
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
TB-500
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
BPC-157 + TB-500 Blend
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
SS-31
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
Tesamorelin
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
MOTS-C
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
CJC-1295 with DAC
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
CJC-1295 (no DAC) + Ipamorelin
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
Ipamorelin
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
NAD+
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
Selank
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
Semax
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)
Melanotan II
Tested
2 June 2026
Laboratory
GenOrigin Pharmaceutical (supplier COA)

Each certificate relates to the batch identified in that document. Contact us if you require documentation for a specific batch.

Laboratory research disclaimer

All products sold by PEAK LABS are intended strictly for legitimate, in-vitro laboratory research by suitably qualified researchers. They are not for human or veterinary use and must not be consumed, applied or administered to humans or animals.