Kinnetix connects API buyers directly to US-based peptide manufacturers — with full COA/HPLC/mass spec documentation, custom synthesis capabilities, and GPO pricing that lowers your per-gram costs on pharma-grade ingredients.
USP/EP-grade APIs from FDA-registered US facilities, with independent third-party lab verification on every batch.
Bypass intermediaries — buy research-grade and pharma-grade active pharmaceutical ingredients at source from US labs.
COA, HPLC chromatograms, mass spec data, residual solvent analysis, and batch records for every API order.
Request custom peptide sequences, modifications (PEGylation, acetylation, amidation), and novel analogs through our manufacturer network.
Guidance on FDA registration, DEA scheduling, import/export requirements, and GMP compliance documentation.
Access bulk API pricing at lower individual volumes — our GPO model pools demand to hit price breaks you can't reach alone.
All APIs meet or exceed USP/EP monograph standards with ≥98% purity confirmed by independent third-party laboratories.
Join hundreds of peptide buyers accessing US-sourced, third-party tested, cGMP-compliant products at GPO-negotiated pricing.