Peptide Therapy in California
35 listings · California
Browse 35 verified peptide businesses in California — clinics, compounding pharmacies, research labs, and trusted suppliers. All listings are reviewed by the The Peptide Alliance editorial team.
NOVA Biologics
FDA-registered biologic raw material supplier in Oceanside, CA providing serums, plasma, cell culture materials, and biological intermediates to research organizations and peptide and biopharma manufacturers.
Pacific BioLabs
FDA-registered contract testing laboratory in Hercules, CA offering biocompatibility, toxicology, microbiology, and chemistry testing for pharmaceuticals and medical devices including peptide-based products.
Labdoor
Consumer-focused supplement testing and rating company that independently tests and grades nutritional supplements including peptide-based products for label accuracy, purity, and safety. Publishes all results publicly.
PolyPeptide Laboratories San Diego
Global GMP peptide CDMO with a 45,000 sq ft San Diego facility supporting mid- to large-scale solid-phase peptide manufacturing. Maintains a GMP NeoAntigen Lab for immunotherapy. Multiple FDA inspections passed.