Skip to main content

Up to 15% off products when you checkout or sign up

Product Collections - Fiber options for SIBO. Start with a low dose, then increase to label dose over 3-7 days if tolerated. Possible side effects: bloating, intestinal irritation/pain. Cellulose is insoluble fiber. PHGG/"Sunfiber" is soluble fiber.

Discover groups of products curated by Functional Pharmacist.

  • SunFiber 217 Grams

    SunFiber

    Tomorrow's Nutrition

    217 Grams

    $36.99

    Sign up for exclusive store pricing

  • Cellulose Fiber 375 Grams

    Cellulose Fiber

    Vital Nutrients

    375 Grams

    $28.99

    Sign up for exclusive store pricing

  • Cellulose Powder 250 Grams

    Cellulose Powder

    Allergy Research Group

    250 Grams

    $17.99

    Sign up for exclusive store pricing

Shop the entire wellness catalog, held to a higher standard

Shop practitioner-grade products, each meeting the same bar for quality through Fullscript's standards.

Powered by
Sign up to shop
  • Verified

    Sourced straight from the brand — no resellers or fakes

  • Enhanced testing

    Select products are tested in-house — get exactly what the label promises

  • Stored and shipped

    From certified facilities, to protect product integrity