Outcome
    Moderate Evidence

    Vitamin D for Autoimmune Modulation

    Vitamin D 2000 IU/day reduced confirmed autoimmune disease over five years in the largest randomised trial to address the question.

    Overview

    How It Works

    Dosing & Protocol

    Dosing for immune modulation

    GoalVitamin DTargetNotes
    Autoimmune risk reduction (VITAL dose)2,000 IU D3 dailySufficiency maintainedEffect emerged over years of consistent use
    Correcting deficiency firstClinician-guided replacement30-50 ng/mLRe-test after 3-4 months
    Existing autoimmune diseaseMaintain sufficiency; adjunct only30-50 ng/mLCoordinate with your specialist

    Evidence

    Vitamin D and marine omega 3 fatty acid supplementation and incident autoimmune disease: VITAL randomized controlled trial

    Score: 9/10
    2022
    rct
    n=25871

    Hahn J, Cook NR, Alexander EK

    Vitamin D reduced confirmed incident autoimmune disease by 22% (HR 0.78).

    View source

    Safety

    Interactions & Conflicts

    Interactions to know

    Interacts withSeverityMechanismAction

    References

    Frequently Asked Questions

    Medical Disclaimer

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    Individual results may vary. The statements on this website have not been evaluated by the Food and Drug Administration. Products and information are not intended to diagnose, treat, cure, or prevent any disease.