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

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Manufacturers · San Diego, CA

ImprimisRx

San Diego-based 503B outsourcing facility offering compounded ophthalmology, urology, and specialty medications including peptide-based preparations. FDA-registered, PCAB-accredited, and ships nationally to healthcare providers.

United StatesNational
Manufacturers · San Diego, CA

Abzena

Integrated biologics and peptide CDMO with San Diego bioconjugation facilities. Offers end-to-end pharmaceutical development and manufacturing services including custom peptide-drug conjugate production for biopharma.

United StatesNational
Manufacturers · San Diego, CA

Biopeptide Co.

San Diego-based custom peptide synthesis and manufacturing company offering research and GMP-grade peptide production. Specializes in difficult sequence synthesis, isotopically labeled peptides, and peptide libraries for pharmaceutical and biotech clients.

United States
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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.