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Supplement manufacturers with a manufacturing or packaging facility on a public registry we check.

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  1. Anaheim, CA, United States4excelsior.com

    • Capsules
    • Gummies
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  2. Riverside, CA, United Stateskelkerpharma.com

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

    USDA Organic

    Valencia, CA, United Stateslieflabs.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  4. Santa Fe Springs, CA, United Statesnhklabs.com

    • Capsules
    • Powders
    • Softgels
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    NSF/ANSI 455-2checked Nov 1, 2026
  5. Rancho Dominguez, CA, United Statesorganicbynatureinc.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Kitting
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  6. Anaheim, CA, United Statessklabs.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  7. 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