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Peptide vendors in California
28 peptide vendors with a published address in California — 25 at a street address; the rest publish a registered-agent or mailing address (hollow dots). As of October 10, 2026.
Score 66+33–65Under 33%Coupon code, discount shownHollow: registered-agent or mailing address
| Shop | Score | vs typical | Code discount | Code | |
|---|---|---|---|---|---|
| PX1 Research Newport Beach, CA | 85 | 6% above | 10% | Shop ↗ | |
| 99PurityPeptides Murrieta, CA | 26 | 7% below | 10% singles only | Shop ↗ | |
| Solyn Danville, CA | 100 | 20% below | — | — | Coupon codes |
| Prime Peptides Santa Barbara, CA | 96 | typical | — | — | Coupon codes |
| Nextgen Peps San Diego, CA | 91 | 9% below | — | — | Shop ↗ |
| Panda Peptides Fair Oaks, CA · mailing address | 88 | 35% below | — | — | Coupon codes |
| Genesis Peptides Culver City, CA | 83 | 18% below | — | — | Coupon codes |
| Coastal Peptides Irvine, CA · mailing address | 72 | — | — | — | Coupon codes |
| Ngsyndicate Fullerton, CA | 67 | 15% above | — | — | Coupon codes |
| Modern Peptides Westlake Village, CA | 57 | 21% above | — | — | Coupon codes |
| Leo Research Los Angeles, CA | 56 | 6% above | — | — | Coupon codes |
| Paramount Peptides Irvine, CA | 38 | typical | — | — | Coupon codes |
| Ageless Humans® Vista, CA | 37 | — | — | — | Coupon codes |
| Clarion Peptides Lake Forest, CA | 36 | — | — | — | Coupon codes |
| LSBio Newark, CA | 35 | — | — | — | Coupon codes |
| Skye Peptides Los Angeles, CA | 34 | typical | — | — | Coupon codes |
| GeneTex Irvine, CA | 32 | — | — | — | Coupon codes |
| Total Health Supply Irvine, CA | 32 | 467% above | — | — | Coupon codes |
| Alpha BioMed Irvine, CA | 28 | 15% below | — | — | Coupon codes |
| Apollo Peptide Sciences Oxnard, CA · mailing address | 24 | 17% above | — | — | Coupon codes |
| Retatrutidekaufendeutschland Westlake Village, CA | 24 | 40% above | — | — | Coupon codes |
| Tru Med Peptides San Diego, CA | 24 | 15% above | — | — | Coupon codes |
| Semaglutidemiamidoctor San Diego, CA | 22 | — | — | — | Coupon codes |
| Pepta Labs Sacramento, CA | 21 | 28% below | — | — | Coupon codes |
| Semaglutide Medics Los Angeles, CA | 16 | — | — | — | Coupon codes |
| Los Angeles Peptides (ARL) Los Angeles, CA | 15 | typical | — | — | Coupon codes |
| Irvine Health Irvine, CA | 14 | — | — | — | Coupon codes |
| Skyes Peptides Los Angeles, CA | 13 | 19% above | — | — | Coupon codes |
Peptide vendors in California: questions
Are there peptide vendors in California?
Yes. PepAssess lists 28 peptide vendors with a published address in California, 25 at a street address (Danville, Santa Barbara, San Diego, Newport Beach, Culver City, Fullerton, Westlake Village, Los Angeles, Irvine, Vista, Lake Forest, Newark, Murrieta, Sacramento), as of October 10, 2026. The highest Evidence Score among them is Solyn (100).