Outcome
    Moderate Evidence

    Biotin (Vitamin B7) for Increased Energy Production

    Biotin is a metabolic cofactor, but supplementing it does not increase energy in people who are not deficient.

    Overview

    Biotin is a metabolic cofactor, but supplementing it does not increase energy in people who are not deficient.

    Verdict

    Insufficient evidence

    How It Works

    Biotin is the prosthetic group for carboxylases governing gluconeogenesis, fatty acid synthesis and amino acid catabolism.

    Dosing & Protocol

    Typical dose

    Recommended dose
    Not recommended - no energy benefit demonstrated in replete adults
    Expected timeframe
    Not applicable outside deficiency

    Protocol

    studied dose
    Commonly sold at 5,000-10,000 mcg/day; the adequate intake for adults is 30 mcg/day
    evidence note
    Verdict is insufficient - the mechanism is real but adding more does nothing
    what happened
    Biotin is a cofactor for carboxylase enzymes in energy metabolism, so deficiency impairs it. But overt deficiency is rare, and no controlled trial demonstrates energy or fatigue benefit from supplementation in healthy adults
    what to do instead
    Persistent fatigue warrants testing for iron deficiency, thyroid disease, sleep apnoea, depression and B12 deficiency - all common and all treatable
    critical lab warning
    Stop biotin 3 days before those tests, since it distorts thyroid results

    Evidence

    What the studies say

    Overt biotin deficiency is rare. No controlled trials demonstrate energy or fatigue benefit from supplementation in healthy adults.

    No studies are yet linked to both Biotin (Vitamin B7) and Increased Energy Production.

    Safety

    Caveats

    Biotin interferes with immunoassays: falsely low TSH, falsely high free T4 and falsely low troponin. It can make you look hyperthyroid on paper and can mask a heart attack. Stop at least 72 hours before blood tests. Deficiency risk is confined to long-term anticonvulsant use, chronic alcohol use, raw egg white consumption and biotinidase deficiency. Standard doses are safe in pregnancy; megadoses are not established.

    Less likely to help if

    Everyone with normal biotin status, and anyone whose fatigue has an undiagnosed medical cause.

    Medical Disclaimer

    The information provided on this website is for educational and informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition or before starting any supplement regimen.

    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.