Peptide Therapy in 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.

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Top cities in California

Hims & Hers

National telehealth platform offering men's and women's health services including TRT, erectile dysfunction treatment, hair loss, and weight management with GLP-1 receptor agonists. Licensed physicians, online consultations, and prescription delivery. Available in all 50 states.

San Francisco, CA (US)
Clinics

AnaSpec

Leading biotech CMO with 30+ years of peptide manufacturing experience. 44,000 sq ft facility in California's Silicon Valley. Manufactures custom GMP peptides and dyes for diagnostics, biopharmaceuticals, and cosmetics.

Fremont, CA (US)National
Manufacturers

Next Health

Premium health optimization and longevity clinic with locations in Los Angeles, New York, and other major cities. Offers IV therapy, peptide treatments, cryotherapy, NAD+ infusions, and comprehensive biomarker testing. Personalized protocols with physician oversight.

West Hollywood, CA (US)
Clinics

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 (US)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 (US)
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 (US)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 (US)
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 (US)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 (US)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 (US)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 (US)National
Manufacturers