Crestpeptide

Active

COA: Yes - third party via Finnrick Analytics Verified COA

Testing and trust

Third-party COA

Yes - third party via Finnrick Analytics

Testing lab

Finnrick

View their COA library

Reputation

Community reputation

Finnrick Analytics rates Crestpeptide as Grade A with consistently high purity and quantity across 4 tested products. Average purity/quantity score of 7.7/10 (range 6.8-8.0) as of March 2026.

For educational and research purposes only. Not medical advice. Always consult a qualified healthcare provider before using any research compound.