Peptides International was founded in Louisville, Kentucky, USA in 1983 by Professor Arno F. Spatola. Peptides International specializes in a wide variety of peptides and peptide-related products and services.

    Mission StatementHelping biomedical researchers save lives.

    Major Products Peptides International manufactures and distributes biochemical products for major research institutions throughout the world. We are proud to distribute the complete product line from the Peptide Institute of Osaka, Japan. Among our offerings are Metastin, Stresscopins, Humanin, Ghrelin, Urotensin II (Rat), SNX-482, Glucagon-like Peptide-2, Epoxomicin, and Amyloid Beta-Secretase Substrate. Please visit our new products page for additional information. Our Louisville laboratory specializes in solid phase resins, amino acid derivatives, peptides, metalloprotease inhibitors, and custom synthesis services. Other exceptional products that we offer include: peptides (orexins, beta-amyloid protein fragments, CART), enzyme inhibitors (leupeptin, pepstatin A, phosphoramidon, ubenimex, MMPs, TAPI, proteasome), enzyme substrates (MCA, pNA), peptide toxins and antisera (anti-angiostatin, anti-CINC), amino acids (derivatives, protected, and unusual, mini-PEGTM), resins, reagents for solid phase synthesis and combinatorial chemistry accessories (glassware, shakers). We also specialize in custom synthesis services, including our Substrates by Design Service. Please visit our Custom Peptide Services page for additional information and new PI product page for updates. Please contact us via phone, fax or email, if you have a specific product inquiry.