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

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  1. NSF lists a powder facility in Lincolnshire, IL

    Lincolnshire, IL, United Statescarlsonlabs.com

    • Capsules
    • Gummies
    • Liquids
    • Oils
    • Powders
    • Softgels
    • +1 more
    Operations:
    • Liquid formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  2. NSF lists 2 powder facilities, including one in Franklin Park, IL

    Franklin Park, IL, United Statesvitalproteins.com

    • Capsules
    • Powders
    • Tablets
    Operations:
    • Coating
    • Tablet compression
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  3. NSF lists a powder facility in Aurora, IL

    Aurora, IL, United Statesnutrivo.com

    • Powders
    Operations:
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  4. NSF lists 4 powder facilities, including one in Carol Stream, IL

    Hanover Park, IL, United Statesprinovausa.com

    • Capsules
    • Liquids
    • Powders
    Operations:
    • Liquid formulation
    • Encapsulation
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  5. NSF lists a powder facility in Elgin, IL

    Elgin, IL, United Statesprovenpartnersgroup.com

    • Powders
    Operations:
    • Dry formulation
    NSF/ANSI 455-2checked Nov 1, 2026
  6. Makes its own brands; contract work not confirmed

    NSF lists 3 powder facilities, including one in Carlsbad, CA

    Downers Grove, IL, United Statesglanbia.com

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