Research peptides you can trust, made in the USA
ProPeptid supplies lab-tested, ≥99% purity research peptides. Every batch is third-party verified and produced in a domestic facility.
Research use only · Not for human consumption

Our peptide catalog
Precisely formulated, sealed in glass vials, and ready for the lab.
The ProPeptid standard
Quality is never an afterthought. From synthesis to sealing, each step is controlled to deliver consistent, reliable research material.
≥ 99% Purity
HPLC and mass-spec verified purity certified on every production lot.
Certificates of Analysis
Batch-specific COAs available so you know exactly what you receive.
Independent Testing
Third-party laboratories confirm identity, purity, and consistency.
Cold-Chain Shipping
Products are shipped and stored cold to preserve integrity.
Precision research material, ready when you are
Explore the ProPeptid catalog or reach out with questions about specifications, testing, or bulk research inquiries.
