Welcome to Shipping, COAs & Documentation. This forum is for discussing certificate-of-analysis documentation, testing transparency, and shipping or packaging experiences with research peptide suppliers.

Helpful things to share here:
- How to read and evaluate a COA — batch numbers, purity data, testing lab info.
- Packaging, cold-chain, and shipping-time experiences with specific suppliers.
- Questions about documentation standards across different catalogs.
New to reading COAs? Start with the COA education guide.
Reminder: this forum is for laboratory research discussion only — not medical advice, and not guidance for human or animal use.