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Find GMP, contract, and API peptide manufacturers. Verified manufacturing facilities listed on The Peptide Alliance.

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Manufacturers · Louisville, KY

Peptide International

Louisville-based manufacturer supplying high-purity research-grade peptides, Fmoc amino acids, resins, and peptide synthesis reagents to academic and industrial researchers worldwide since 1994.

United StatesNational
Manufacturers · Louisville, KY

CreoSalus

Multi-division life sciences company offering full-service cGMP contract manufacturing of peptide drug substances (API) and sterile injectable drug products. Produces hundreds of API peptides monthly.

United StatesNational
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Peptides Relevant to Manufacturers

Research these peptides in our database — including use cases, dosing, and verified sources.

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BPC-157The most studied healing peptide — accelerates tissue repair across muscle, tendon, ligament, and gut.TB-500Systemic healing peptide — promotes tissue repair throughout the body with remarkable anti-inflammatory effects.SemaglutideThe most effective weight loss medication in history — FDA-approved GLP-1 agonist with transformative results.TirzepatideNext-generation dual agonist — superior weight loss results by targeting both GIP and GLP-1 receptors.Thymosin Alpha-1The immune system optimizer — FDA-studied thymic peptide for immune regulation and viral defense.SS-31Mitochondria-targeting peptide — protects cellular energy production in heart, muscle, and kidney.