Outcome
    Moderate Evidence

    Fenugreek for DHT Reduction

    Marketing claims about DHT modulation rest on a handful of manufacturer-linked studies.

    Overview

    Marketing claims about DHT modulation rest on a handful of manufacturer-linked studies.

    Verdict

    Insufficient evidence

    How It Works

    Furostanolic saponins are proposed to inhibit 5-alpha-reductase and aromatase activity.

    Dosing & Protocol

    Typical dose

    Recommended dose
    Not established; trials used 500-600 mg/day of standardised fenugreek extract with inconsistent and largely unmeasured effects on DHT
    Expected timeframe
    Not established

    Protocol

    form
    Not applicable
    duration
    Not applicable
    co factor
    Evidence is insufficient. Fenugreek extracts standardised for furostanolic saponins (Testofen, Furosap) are marketed on the claim that they inhibit 5-alpha-reductase and aromatase, and one industry-funded trial reported reduced DHT. Most trials did not measure DHT at all, results conflict, and no study links fenugreek to the clinical outcomes DHT reduction is sought for - hair retention or prostate size. Finasteride and dutasteride, which reduce DHT by 70-90%, are the reference point, and fenugreek has nothing approaching that evidence.
    titration
    Not applicable
    starting dose
    Not applicable as an established treatment

    Evidence

    What the studies say

    Small trials of branded extracts report shifts in free testosterone and DHT ratios, but findings are inconsistent, industry-funded and not independently replicated.

    No studies are yet linked to both Fenugreek and DHT Reduction.

    Safety

    Caveats

    If the goal is hair retention or benign prostatic hyperplasia, get a proper assessment - finasteride, dutasteride and, for the prostate, alpha-blockers have real evidence. Prostate symptoms with blood in the urine, bone pain or weight loss need urgent review. Safety: fenugreek has anticoagulant properties, so avoid with warfarin, DOACs, aspirin and clopidogrel, and stop two weeks before surgery. It lowers blood glucose and can compound insulin or sulfonylureas, risking hypoglycaemia. Its soluble fibre reduces absorption of other oral drugs - separate by two hours. Contraindicated in pregnancy: it has uterine-stimulant activity, is a traditional labour inducer, and has been linked to maple-syrup odour in newborns. Avoid with peanut or chickpea allergy, since it is a legume. Expect a maple-syrup smell to sweat and urine.

    Less likely to help if

    Everyone: no responder group has been demonstrated for DHT outcomes.

    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.