Certificate of Analysis (COA) Registry
Per-batch test specifications for every research peptide we ship. Third-party laboratory verified, HPLC purity, full traceability. Browse batches below — request the full PDF report per batch via WhatsApp.
What our COAs cover
Every batch is tested against the same eight-parameter specification panel and issued by an independent third-party laboratory. This page lists each batch's specifications and pass status. Full quantitative results (specific HPLC values, chromatograms, MS spectra) are delivered as a PDF report on request — click any batch below and request the full report via WhatsApp.
Tirzepatide
Glutathione for Injection
GHK-Cu Lyophilized Powder
Research Use Only. COAs are published as quality-assurance documentation for laboratory research procurement. Products sold by Prost Biotech are research chemicals — not for human consumption, therapeutic use, or clinical application.