Peptide Therapy in California

Browse 33 verified peptide businesses in California — clinics, compounding pharmacies, research labs, and trusted suppliers. All listings are reviewed by the The Peptide Alliance editorial team.

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Top cities in California

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.

San Diego, CA (United States)National
Research Labs

Phoenix Pharmaceuticals

B2B peptide supplier based in Silicon Valley serving academic labs, biotech, and pharma companies since 1993. Manufactures research peptides, antibodies, and assay kits for preclinical research.

Burlingame, CA (United States)National
Peptide Brands

Dr. Toni Varela NMD

Naturopathic medical doctor in the San Francisco East Bay Area. Specializes in peptide therapy to restore biological resilience, using weekly injection protocols with monthly blood monitoring.

Danville, CA (United States)
Clinics

Pure Health Peptides

California-based LLC offering US-made, third-party tested research peptides including BPC-157 and TB-500 blends. Every batch is verified with COAs published on their site for full transparency.

Fallbrook, CA (United States)National
Peptide Brands

Daniel Benhuri MD

Board-certified Beverly Hills internist specializing in concierge peptide therapy including Semaglutide, BPC-157, and growth hormone secretagogues. Same-day availability with personalized injectable protocols.

Beverly Hills, CA (United States)
Clinics

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.

San Diego, CA (United States)National
Manufacturers

CPC Scientific

CDMO specializing in large-scale, late-phase, and commercial GMP peptide and oligonucleotide manufacturing. Annual peptide API production capacity exceeds 1,000 kg. Serves clinical and commercial pharmaceutical clients.

Rocklin, CA (United States)National
Manufacturers

Enovachem Pharmaceuticals

Torrance-based 503B pharmaceutical outsourcing facility manufacturing sterile injectable peptide preparations including sermorelin, ipamorelin, and CJC-1295. FDA-registered and ships to licensed practitioners nationally.

Torrance, CA (United States)National
Manufacturers

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.

San Diego, CA (United States)National
Manufacturers