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Supplement Contract Manufacturers in California

38 supplement contract manufacturers in California have a GMP-certified facility (NSF/ANSI 455-2) or an Informed Manufacturer certified facility and say on their own website that they offer contract manufacturing; the most are in Anaheim (4), Brea (2) and Chino (2). Website claims checked October 16, 2026; certification data checked November 1, 2026.

Looking for a nutraceutical contract manufacturer in the USA? Compare the listings below for supplement contract manufacturing. Use the country and state links to narrow your shortlist.

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All 38 manufacturers

Order: featured, listings with a website, then A–Z.

  1. Says it offers contract manufacturingcompany website

    Chino, CA, United Statesalbertmax.com

    • Capsules
    • Powders
    Operations:
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  2. Says it offers contract manufacturingcompany website

    Vallejo, CA, United Statesallpointsmfg.com

    Informed Manufacturer(not a GMP audit)checked Oct 6, 2026
  3. Says it offers contract manufacturingcompany website

    Irvine, CA, United Statesamericanbestlife.com

    • Capsules
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  4. Says it offers contract manufacturingcompany website

    Brea, CA, United Statesnorthwestpn.com

    • Capsules
    • Powders
    Operations:
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  5. Says it offers contract manufacturingcompany website

    Livermore, CA, United Statesproteinresearch.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  6. Says it offers contract manufacturingcompany website

    Cerritos, CA, United Statescapteksoftgel.com

    • Capsules
    • Gummies
    • Softgels
    • Tablets
    Operations:
    • Molding
    • Coating
    • Liquid formulation
    • Tablet compression
    • +2 more
    NSF/ANSI 455-2checked Nov 1, 2026
  7. Says it offers contract manufacturingcompany website

    Jurupa Valley, CA, United Statesproferrinlabs.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  8. Says it offers contract manufacturingcompany website

    Anaheim, CA, United States4excelsior.com

    • Capsules
    • Gummies
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  9. Says it offers contract manufacturingcompany website

    Santa Fe Springs, CA, United Statesfoodpharma.com

    • Soft chews & chewables
    Operations:
    • Molding
    NSF/ANSI 455-2checked Nov 1, 2026
  10. Says it offers contract manufacturingcompany website

    Anaheim, CA, United Statesgmplabs.com

    • Capsules
    • Gummies
    • Liquids
    • Oils
    • Powders
    • Tablets
    Operations:
    • Coating
    • Liquid formulation
    • Tablet compression
    • Encapsulation
    • +1 more
    NSF/ANSI 455-2checked Nov 1, 2026
  11. Says it offers contract manufacturingcompany website

    Santa Cruz, CA, United Statesscnbestco.com

    • Gummies
    Operations:
    • Kitting
    • Baking
    • Molding
    • Coating
    • +1 more
    NSF/ANSI 455-2checked Nov 1, 2026
  12. Says it offers contract manufacturingcompany website

    Irvine, CA, United Statesivcinc.com

    • Capsules
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Coating
    • Liquid formulation
    • Tablet compression
    • Encapsulation
    • +1 more
    NSF/ANSI 455-2checked Nov 1, 2026
  13. InvaPharm, Inc.

    USDA Organic

    Says it offers contract manufacturingcompany website

    Ontario, CA, United Statesinvapharm.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  14. Says it offers contract manufacturingcompany website

    Chino, CA, United Statesjinhernutra.com

    • Capsules
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  15. Says it offers contract manufacturingcompany website

    San Diego, CA, United Statesjlmnutra.com

    • Capsules
    • Gummies
    • Oils
    Operations:
    • Liquid formulation
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  16. Says it offers contract manufacturingcompany website

    Riverside, CA, United Stateskelkerpharma.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  17. Lief Organics, LLC

    USDA Organic

    Says it offers contract manufacturingcompany website

    Valencia, CA, United Stateslieflabs.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  18. Says it offers contract manufacturingcompany website

    Torrance, CA, United Statesparagonlabsusa.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  19. Says it offers contract manufacturingcompany website

    Anaheim, CA, United Statesnellsonllc.com

    • Powders
    Operations:
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  20. Says it offers contract manufacturingcompany website

    Santa Fe Springs, CA, United Statesnhklabs.com

    • Capsules
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  21. Says it offers contract manufacturingcompany website

    Chula Vista, CA, United Statespurensm.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  22. Says it offers contract manufacturingcompany website

    Rancho Cucamonga, CA, United Statespacificpharmausa.com

    • Capsules
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  23. Says it offers contract manufacturingcompany website

    Panorama City, CA, United Statespuretekcorp.com

    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  24. Says it offers contract manufacturingcompany website

    Santa Rosa, CA, United Statesrandaloptimal.com

    • Capsules
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  25. Says it offers contract manufacturingcompany website

    Costa Mesa, CA, United Statesrobinsonpharma.com

    • Capsules
    • Gummies
    • Liquids
    • Oils
    • Powders
    • Softgels
    • +1 more
    Operations:
    • Molding
    • Coating
    • Liquid formulation
    • Tablet compression
    • +2 more
    NSF/ANSI 455-2checked Nov 1, 2026
  26. Says it offers contract manufacturingcompany website

    Sunnyvale, CA, United Statessvlsg.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  27. Simpson Labs LLC

    USDA Organic

    Says it offers contract manufacturingcompany website

    Valencia, CA, United Statessimpsonlabs.net

    • Capsules
    • Powders
    Operations:
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  28. Says it offers contract manufacturingcompany website

    Anaheim, CA, United Statessklabs.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  29. Says it offers contract manufacturingcompany website

    Los Angeles, CA, United Statessoft-gel.com

    • Softgels
    Operations:
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  30. Says it offers contract manufacturingcompany website

    Vista, CA, United Statestheghtcompanies.com

    • Capsules
    • Liquids
    • Oils
    • Powders
    Operations:
    • Liquid formulation
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  31. Says it offers contract manufacturingcompany website

    Ventura, CA, United Statestheplanetonecompany.com

    • Capsules
    • Liquids
    • Oils
    • Powders
    Operations:
    • Liquid formulation
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  32. Says it offers contract manufacturingcompany website

    Brea, CA, United Statesunicapsllc.com

    • Softgels
    Operations:
    • Liquid formulation
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  33. Says it offers contract manufacturingcompany website

    Fullerton, CA, United Statesunitedpharmallc.com

    • Softgels
    Operations:
    • Liquid formulation
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  34. Says it offers contract manufacturingcompany website

    Temecula, CA, United Statesvitaplusinter.com

    • Capsules
    • Gummies
    • Powders
    • Tablets
    Operations:
    • Molding
    • Liquid formulation
    • Tablet compression
    • Encapsulation
    • +1 more
    NSF/ANSI 455-2checked Nov 1, 2026
  35. Says it offers contract manufacturingcompany website

    Santa Ana, CA, United Statesvitapluspharm.com

    • Gummies
    Operations:
    • Molding
    NSF/ANSI 455-2checked Nov 1, 2026
  36. Says it offers contract manufacturingcompany website

    Tustin, CA, United Statesvit-best.com

    • Capsules
    • Softgels
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  37. Says it offers contract manufacturingcompany website

    Corona, CA, United Stateswellingtonfoods.com

    • Liquids
    • Powders
    Operations:
    • Pasteurization
    • Kitting
    • Liquid formulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  38. Says it offers contract manufacturingcompany website

    Norco, CA, United Statesaurasciences.com

    • Gummies
    • Softgels
    Operations:
    • Molding
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026

View all 38 in the directory →

Compare supplement contract manufacturers at a glance in California

  • The most common dosage forms in the listed scope of these 38 supplement contract manufacturers in California are capsules (27), powders (25) and tablets (22).
  • 38 of the 38 supplement contract manufacturers in California list a company website.
ManufacturerLocationDosage forms in listed scopeCertificationLast checked
Albert Max, Inc.Chino, CACapsules, PowdersNSF/ANSI 455-2
All Points ManufacturingVallejo, CA—Informed Manufacturer (not a GMP audit), USDA Organic
American Best Life Inc.Irvine, CACapsules, TabletsNSF/ANSI 455-2
Beacon Manufacturing Inc. DBA North West PharmaNaturalsBrea, CACapsules, PowdersNSF/ANSI 455-2, USDA Organic
Berkeley Nutritional Manufacturing Corporation DBA Protein ResearchLivermore, CACapsules, Powders, TabletsNSF/ANSI 455-2, USDA Organic
Captek Softgel International, Inc.Cerritos, CACapsules, Gummies, Softgels, TabletsNSF/ANSI 455-2, USDA Organic
Colorado Biolabs, Inc. dba Proferrin Labs, Inc.Jurupa Valley, CACapsules, Powders, TabletsNSF/ANSI 455-2
Excelsior Nutrition Inc DBA 4ExcelsiorAnaheim, CACapsules, Gummies, Powders, Softgels, TabletsNSF/ANSI 455-2, Informed Manufacturer (not a GMP audit), USDA Organic
FP Nutraceuticals, LLC dba FoodPharmaSanta Fe Springs, CASoft chews & chewablesNSF/ANSI 455-2
GMP Laboratories of America, Inc.Anaheim, CACapsules, Gummies, Liquids, Oils, Powders, TabletsNSF/ANSI 455-2, USDA Organic
Harmony Foods LLC dba SCN BestcoSanta Cruz, CAGummiesNSF/ANSI 455-2, USDA Organic
International Vitamin CorporationIrvine, CACapsules, Powders, Softgels, TabletsNSF/ANSI 455-2, USDA Organic
InvaPharm, Inc.Ontario, CACapsules, Powders, TabletsNSF/ANSI 455-2, USDA Organic
Jinher NutraChino, CACapsules, Powders, Softgels, TabletsNSF/ANSI 455-2
JLM Nutra LLCSan Diego, CACapsules, Gummies, OilsNSF/ANSI 455-2
Kelker Pharma, Inc.Riverside, CACapsules, Powders, TabletsNSF/ANSI 455-2
Lief Organics, LLCValencia, CACapsules, Powders, TabletsNSF/ANSI 455-2, USDA Organic
Naturalife Eco Vite Labs., Inc. DBA Paragon LaboratoriesTorrance, CACapsules, Powders, TabletsNSF/ANSI 455-2, USDA Organic
Nellson Nutraceutical, LLCAnaheim, CAPowdersNSF/ANSI 455-2, USDA Organic
NHK Laboratories, Inc.Santa Fe Springs, CACapsules, Powders, Softgels, TabletsNSF/ANSI 455-2, USDA Organic
Nutritional Supplement Manufacturers, Inc. DBA PureNSM, DBA VeriGMPChula Vista, CACapsules, Powders, TabletsNSF/ANSI 455-2, USDA Organic
Pacific Pharmaceuticals USA, IncRancho Cucamonga, CACapsules, Powders, Softgels, TabletsNSF/ANSI 455-2
PureTek CorporationPanorama City, CATabletsNSF/ANSI 455-2
Randal Optimal Nutrients, Inc.Santa Rosa, CACapsules, Powders, Softgels, TabletsNSF/ANSI 455-2
Robinson Pharma, Inc.Costa Mesa, CACapsules, Gummies, Liquids, Oils, Powders, Softgels, +1 moreNSF/ANSI 455-2, USDA Organic
First 25 of 38 supplement contract manufacturers in California, in the same order as the list above. Source: the public listings of NSF, Informed Manufacturer and the USDA Organic Integrity Database, last checked November 1, 2026. How we verify

Supplier vs. manufacturer: who does the work?

A supplier may sell an ingredient or finished product without operating the facility that makes it. Ask for the actual manufacturing and packaging sites and put each party’s responsibilities in writing. FDA’s CGMP guidance addresses operations such as manufacturing, packaging, labeling and holding. Match the facility record to the work your order needs, rather than relying on a sales office address.

Source: FDA: dietary supplement CGMP guidance

How is supplement shelf life established?

There is no single shelf life for every supplement. FDA’s dietary supplement CGMP guidance says an expiration date is not required by that rule, but a date used on a label should have supporting data. Ask for stability evidence for your formula in the proposed packaging and storage conditions; a manufacturing date alone does not tell you how long the product will meet its specifications.

Source: FDA: dietary supplement CGMP guidance

Sources checked . General buyer guidance; not a check of any listed company’s process.

Questions buyers ask

How do I choose a nutraceutical contract manufacturer in the USA?

Start with the USA list, check the exact facility and its certificate scope, and confirm supplement contract manufacturing. Ask for the minimum order, first-run and reorder lead times, testing plan and an itemized quote. Website capabilities are company claims unless a separate registry basis is shown; confirm the proposed work directly.

What is a supplement contract manufacturer?

A contract manufacturer produces supplements that another company sells under its own brand. Some offer custom formulation and development; others mainly run your formula or offer stock (private label) formulas you can put your label on. Many also handle packaging, labelling and testing.

Do you verify that these companies offer contract manufacturing?

No. A company is listed here when one of its facilities is on a public registry we check and its own website says it offers contract manufacturing. We keep the quote, the page and the date we checked, and show them on the company’s profile. The registry certification is checked by us; the claim is the company’s own, so confirm it with the manufacturer before you rely on it.

What should I ask for in a quote request?

Ask for minimum order quantity, lead times, formulation options, testing and certificates of analysis, in writing. In detail: ask about minimum order quantity (MOQ) per SKU, lead time for a first run and for reorders, whether they offer stock formulas or custom formulation, who sources raw materials, what testing they run (identity, potency, microbiological, heavy metals) and whether you receive a certificate of analysis (COA) per batch, and whether they support the label claims you plan to make. Terms vary widely by manufacturer, so compare written answers rather than assumptions.

How do I verify a manufacturer’s GMP certification myself?

Ask the manufacturer for their current certificate and the exact facility address it covers, then look that facility up on the certifier’s public listing (for NSF/ANSI 455, NSF’s online listings). Certificates apply to specific sites, so make sure the facility that will make your product is the one listed. Each profile here links to the public listing we checked and the date we checked it.

Supplier vs. manufacturer: who does the work?

A supplier may sell an ingredient or finished product without operating the facility that makes it. Ask for the actual manufacturing and packaging sites and put each party’s responsibilities in writing. FDA’s CGMP guidance addresses operations such as manufacturing, packaging, labeling and holding. Match the facility record to the work your order needs, rather than relying on a sales office address.

How is supplement shelf life established?

There is no single shelf life for every supplement. FDA’s dietary supplement CGMP guidance says an expiration date is not required by that rule, but a date used on a label should have supporting data. Ask for stability evidence for your formula in the proposed packaging and storage conditions; a manufacturing date alone does not tell you how long the product will meet its specifications.

How do I compare supplement contract manufacturers in California?

Check the facility address and the scope shown on its registry record, then confirm that the proposed work will take place at that site in California. Ask for a written quote with minimum order, testing, packaging, freight and lead times. A company address alone does not establish where your order will be made.