Wholesale Suppliers
27 results
Browse wholesale peptide suppliers for raw materials, finished products, and equipment. Verified suppliers serving customers worldwide.
US States
Bio-Synthesis
Texas-based peptide synthesis company providing custom peptide manufacturing, bioconjugation, oligo synthesis, and labeling services. Over 30 years serving pharmaceutical, biotech, and academic clients.
LifeTein
New Jersey-based custom peptide synthesis service providing research-grade and GMP peptides. Specializes in difficult sequences, long peptides, and labeled peptides. All peptides purified by HPLC with full characterization.
AnaSpec Peptide Supply
Fremont, CA-based peptide supplier offering a catalog of 20,000+ pre-made and custom peptides for academic and pharmaceutical research. Provides fluorescent dye conjugates, peptide libraries, and HPLC-purified research peptides.
Sigma-Aldrich Peptides
Division of MilliporeSigma (Merck KGaA) providing over 35,000 catalog peptides and custom synthesis services for pharmaceutical and research applications. Global standard for biochemical reagents and peptide building blocks.
American Peptide Company
California-based custom peptide synthesis service providing academic and pharmaceutical researchers with high-purity catalog and custom peptides. Specializes in difficult sequences, cyclic peptides, and stapled peptides.
Peptide Institute
US office of Japan-based Peptide Institute, a leading manufacturer of high-purity research peptides and protease inhibitors. Catalog includes 2,000+ peptides used globally in academic and pharmaceutical research.
GenScript USA
Global leader in life science R&D services and peptide reagents with US headquarters in New Jersey. Offers custom peptide synthesis, protein production, antibody services, and a catalog of 800,000+ research products.
Yongli Biopeptide
China-based peptide manufacturer and wholesale supplier offering research-grade synthetic peptides for laboratory and in-vitro use. Catalog includes BPC-157, TB-500, CJC-1295, Ipamorelin, GHK-Cu, Epithalon, Tirzepatide, and Retatrutide. All products are third-party tested to ≥99% purity with COA, HPLC, and MS reports. Bulk and wholesale orders only.
CEM Corporation
North Carolina-based manufacturer of microwave-assisted peptide synthesis instruments and reagents. Liberty Blue peptide synthesizer is used in leading research institutions globally. Provides SPPS reagents and training.
AAPPTec
American peptide company manufacturing and supplying automated peptide synthesizers, laboratory equipment, Fmoc/Boc amino acids, coupling reagents, SPPS resins, and custom peptides from mg to kg scale.
Chem-Impex International
Illinois-based supplier of specialty amino acids, Fmoc-protected building blocks, peptide synthesis reagents, and fine chemicals for pharmaceutical and peptide research. Serves researchers globally with same-day shipping.
Bio Basic
Canadian life science research supplier offering custom peptide synthesis, pharmaceutical peptides, cosmetic peptides, and raw biochemicals. Ships to the US and globally. Over 10 years in peptide services.
Peptides Relevant to Wholesale Suppliers
Research these peptides in our database — including use cases, dosing, and verified sources.