Supplement Manufacturers in the USA
445 supplement manufacturers in the United States have a facility certified to NSF/ANSI 455-2 (GMP for dietary supplements) (top states: California 90, Florida 57, Utah 54). Data checked against NSF’s public listing on October 5, 2026.
Every company on this page has at least one manufacturing or packaging facility on NSF’s public NSF/ANSI 455 GMP listing. We record which dosage forms each certified facility covers, where it is, and the date we last checked the listing, so you can shortlist dietary supplement contract manufacturers on facts before you send a single email.
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First 50 of 445
Order: featured, founding members, listings with a website, then A–Z.
- NSF/ANSI 455-2checked Oct 5, 2026
Tempe, AZ, United States21stcenturyvitamins.com
- Capsules
- Gummies
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Garden Grove, CA, United Statespackaging.com
- Capsules
- Gummies
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Berkeley, CA, United Statesguenergy.com
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Westbury, NY, United Statesalaskaspringpharma.com
- Capsules
- Powders
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
Springfield, OH, United Statesallinnutritionals.com
- Capsules
- Liquids
- Powders
- Softgels
NSF/ANSI 455-2checked Oct 5, 2026Dallas, TX, United Statesforeverliving.com
- Gummies
- Liquids
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Hauppauge, NY, United Statesahfvitamins.com
- Capsules
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Chandler, AZ, United Statesaznutritional.com
- Capsules
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Miami Lakes, FL, United Statesavantinutrition.com
- Capsules
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Brea, CA, United Statesnorthwestpn.com
- Capsules
- Powders
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Livermore, CA, United Statesproteinresearch.com
- Capsules
- Powders
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
- NSF/ANSI 455-2checked Oct 5, 2026
Fayetteville, AR, United Statesbiotechpharmacal.com
- Capsules
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
Melville, NY, United Statesbiocorpnutritionlabs.com
- Capsules
- Gummies
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026Sandy, UT, United States4life.com
- Capsules
- Liquids
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
Sugar Land, TX, United Statesbluebonnetnutrition.com
- Capsules
- Liquids
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Oct 5, 2026- NSF/ANSI 455-2checked Oct 5, 2026
Providence, RI, United Statesboston-nutraceutical.com
- Soft chews & chewables
- Gummies
NSF/ANSI 455-2checked Oct 5, 2026
Compare supplement manufacturers at a glance in the United States
- The most common dosage forms in the certified scope of these 445 supplement manufacturers in the United States are capsules (313), powders (305) and tablets (217).
- 333 of the 445 supplement manufacturers in the United States list a company website.
| Manufacturer | Location | Dosage forms in certified scope | Certification | Last checked |
|---|---|---|---|---|
| 1440 Foods Manufacturing LLC | New York, NY | Powders | NSF/ANSI 455-2 | |
| 21st Century Healthcare, Inc. | Tempe, AZ | Capsules, Gummies, Softgels, Tablets | NSF/ANSI 455-2 | |
| 5280 Supplement Manufacturing LLC | Centennial, CO | Capsules | NSF/ANSI 455-2 | |
| A&Z Pharmaceutical, Inc. | Happauge, NY | Powders, Tablets | NSF/ANSI 455-2 | |
| Aaron Thomas Company, Inc. | Garden Grove, CA | Capsules, Gummies, Powders, Softgels, Tablets | NSF/ANSI 455-2 | |
| Access Business Group, LLC | Ada, MI | Capsules, Powders, Softgels, Tablets | NSF/ANSI 455-2 | |
| Actus Nutrition | Eden Prairie, MN | Powders | NSF/ANSI 455-2 | |
| Adept Life Science, LLC | Gilbert, AZ | Capsules, Liquids, Powders, Tablets | NSF/ANSI 455-2 | |
| ADH Health Products, Inc. | Congers, NY | Capsules, Oils, Powders, Tablets | NSF/ANSI 455-2 | |
| Advanced Food Concepts, Inc. (DBA - GU Energy Labs) | Berkeley, CA | — | NSF/ANSI 455-2 | |
| AG1 EU Enterprise Ltd. | Carson City, NV | Powders | NSF/ANSI 455-2 | |
| Agile Nutra LLC | Horsham, PA | Capsules, Powders | NSF/ANSI 455-2 | |
| Alaska Spring Pharmaceuticals Inc. | Westbury, NY | Capsules, Powders, Tablets | NSF/ANSI 455-2 | |
| Albanese Confectionery Group, Inc. | Merrilville, IN | Gummies | NSF/ANSI 455-2 | |
| All-In Nutritionals LLC | Springfield, OH | Capsules, Liquids, Powders, Softgels | NSF/ANSI 455-2 | |
| Aloe Vera of America, Inc. | Dallas, TX | Gummies, Liquids, Powders, Softgels, Tablets | NSF/ANSI 455-2, NSF/ANSI 455-3, NSF/ANSI 455-4 | |
| Amaxi Nutrition Products, Inc. | Rancho Cucamonga, CA | Powders | NSF/ANSI 455-2 | |
| Ambix Laboratories | Totowa, NJ | Liquids, Oils | NSF/ANSI 455-2, NSF/ANSI 455-3 | |
| American Health Formulations, Inc. | Hauppauge, NY | Capsules, Powders, Softgels, Tablets | NSF/ANSI 455-2 | |
| Americana Trading LLC | Chatsworth, CA | Capsules, Gummies, Tablets | NSF/ANSI 455-2 | |
| Amerilab Technologies Inc. | Plymouth, MN | Powders, Tablets | NSF/ANSI 455-2 | |
| AN USA Holdings, INC DBA AN Labz | Lancaster, NY | Powders | NSF/ANSI 455-2 | |
| AOA Products, LLC | Toledo, OH | Capsules, Liquids, Tablets | NSF/ANSI 455-2 | |
| Arizona Custom Blends Manufacturing, LLC | Tempe, AZ | Capsules, Powders, Softgels | NSF/ANSI 455-2 | |
| Arizona Nutritional Supplements | Chandler, AZ | Capsules, Powders, Softgels, Tablets | NSF/ANSI 455-2 |
Questions buyers ask
What is a dietary 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.
What does NSF/ANSI 455-2 certification mean?
NSF/ANSI 455-2 is a good manufacturing practice (GMP) audit standard for dietary supplements. It is built around the US FDA’s dietary supplement GMP rule (21 CFR Part 111) and adds retailer-driven requirements, so facilities are audited against one harmonised checklist. Certification applies to a specific facility and is listed publicly by the certifier.
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.
Why is a manufacturer missing from this list?
A manufacturer is missing when none of its facilities appears on NSF’s public NSF/ANSI 455 listing, the only registry this directory checks today. Many good manufacturers hold other GMP certifications (or an FDA-registered facility without third-party certification) and are not listed yet. We plan to add other registries; manufacturers can also ask to be listed.