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Ashwagandha
Ashwagandha

Likely benefit Published May 11, 2026

Ashwagandha for Male Fertility Hormones: 12 Trials

12 studies · 202 participants · 14 sources

Evidence summary

Evidence summary Likely benefit

Ashwagandha improves reproductive hormone balance in infertile men, with a moderate overall effect across 12 small studies and consistent direction across the hormone trials.

  • Across 12 studies (n=202), ashwagandha improved reproductive hormone markers by a moderate standardized effect (d=0.65).1
  • Trials enrolled mainly infertile or oligospermic men, using root powders and standardized extracts over varied durations.
  • Pregnancy and live-birth outcomes were not the main endpoints, so fertility-hormone gains do not prove conception benefit.

Ashwagandha keeps showing up in male fertility conversations because these hormones do not work like isolated switches. They work like a relay line from brain to pituitary to testes, and when one handoff goes wrong, luteinizing hormone, follicle-stimulating hormone, prolactin, and estradiol can all drift off course at once.12

What matters here is not whether ashwagandha feels energizing. The real question is whether it shifts that hormone relay in infertile men enough to matter on lab testing and alongside semen quality changes.12

How it works

Ashwagandha seems to steady the brain-to-testes signaling loop while also lowering oxidative stress in seminal plasma.1 Think of it like cleaning corrosion off a set of electrical contacts: the message does not get louder by force, it gets through with less static, which can leave reproductive hormones in a healthier pattern and make sperm production run more smoothly.12

What the studies show

Across 12 studies with 202 participants, the overall signal lands in the moderate range: noticeable for some infertile men, but not a full hormonal reset.1212 Because the research relies on lab hormone testing rather than self-reported symptoms, the signal comes from measured blood-marker changes, not guesswork.12

The clearest direct trial signal comes from infertile men in PMID 19501822. Researchers reported better semen quality alongside reproductive hormone shifts and lower oxidative stress in seminal plasma, which makes the hormone story more believable than a lone lab blip.1

A placebo-controlled pilot study in oligospermic men adds a useful reality check: men taking a root extract for 90 days improved spermatogenic activity and related reproductive markers, which fits the broader pattern instead of standing apart from it.2

The limits matter. The total sample stays small, study lengths vary, and the research focuses on infertile men rather than men with normal fertility.1212 Just as important, the main outcomes are hormone and semen markers, not pregnancy or live-birth rates, so you should treat this as evidence for a biological shift, not a guaranteed conception boost.1212

Caveats worth knowing

  • ·

    Only 202 participants across 12 studies

  • ·

    Studied mainly in infertile or oligospermic men, not men with normal fertility

  • ·

    Study duration varied, so no single best trial length emerges

  • ·

    Preparations differed across root powders and standardized extracts

  • ·

    Main outcomes were hormone and semen markers, not pregnancy or live-birth rates

  • ·

    No formal evidence grade was assigned

Watch-outs

  • Rare but serious liver injury has been reported · high severity

    Case series link ashwagandha products to clinically important liver injury, including cholestatic hepatitis and itching. Stop promptly if you develop jaundice, dark urine, severe abdominal pain, or unexplained pruritus.78

  • Sedatives and anxiety meds can hit harder with it · high severity

    Reviews flag additive effects with hypnotics, sedatives, and anxiolytics, so combining them can push drowsiness and impairment further than expected.1213

  • Thyroid medication effects can increase · moderate severity

    The interaction literature suggests ashwagandha can amplify thyroid therapy, which raises the chance of overshooting into symptoms of excess thyroid effect.1213

  • Antiepileptic toxicity is a concern · high severity

    Reviews also flag a major interaction concern with antiepileptics, with the potential to increase toxicity rather than simply change how you feel.1213

Practical guidance

If you decide to try ashwagandha for male fertility markers, copy a real trial instead of improvising. A concrete protocol from the oligospermia research used 225 mg of root extract three times daily for a total of 675 mg per day over 90 days.2

That 90-day window matters. Sperm production and hormone signaling do not turn around overnight, so a weekend test tells you nothing useful.2 If you reach the end of a full 90 days with no change in follow-up semen or hormone testing, the literature does not give a strong reason to keep stretching the experiment indefinitely.212

People also ask

Is ashwagandha safe for trying to conceive?

For men, short-term trials suggest ashwagandha is often tolerated, but “safe” is not a free pass: rare liver injury has been reported, and pregnancy and lactation are listed contraindications.

How fast does ashwagandha work for fertility?

The clearest male fertility trial ran for 90 days, not a week or two. That fits the biology, because sperm production and hormone signaling take time to shift.

Should you take ashwagandha if trying to conceive?

If you are an infertile man with abnormal semen or hormone markers, the evidence suggests it is worth considering because trials showed noticeable improvements in reproductive markers. If you use sedatives, anxiolytics, antiepileptics, or thyroid medication, the interaction picture gets riskier.

What is the best fertility supplement to get pregnant?

There is no single best fertility supplement. The right choice depends on why conception is hard, and ashwagandha has been studied mainly for male semen and hormone markers, not as a universal answer for getting pregnant.

Can ashwagandha help you conceive?

In infertile men, it has improved semen quality and reproductive hormone patterns in trials, so it can remove one barrier to conception. It still does not guarantee pregnancy, because conception depends on both partners and more than hormones alone.

What happens if a female takes ashwagandha?

Outside pregnancy, the effects depend on why she takes it, but it is not automatically harmless. Pregnancy and lactation are listed contraindications, and rare liver injury has been reported in adults using ashwagandha products.

Sources

Sources

  1. 1. Withania somnifera improves semen quality by regulating reproductive hormone levels and oxidative stress in seminal plasma of infertile males. ↑
  2. 2. Clinical Evaluation of the Spermatogenic Activity of the Root Extract of Ashwagandha (Withania somnifera) in Oligospermic Males: A Pilot Study. ↑
  3. 3. Effect of standardized root extract of ashwagandha (Withania somnifera) on well-being and sexual performance in adult males: A randomized controlled trial. ↑
  4. 4. Exploring the efficacy and safety of a novel standardized ashwagandha (Withania somnifera) root extract (Witholytin®) in adults experiencing high stress and fatigue in a randomized, double-blind, placebo-controlled trial. ↑
  5. 5. Efficacy and safety of eight-week therapy with Ashwagandha root extract in improvement of sexual health in healthy men: Findings of a prospective, randomized, double-blind, placebo-controlled study. ↑
  6. 6. Efficacy and safety of ashwagandha root extract on sexual health in healthy Men: a prospective, randomized, double-blind, placebo-controlled study. ↑
  7. 7. Ashwagandha-induced liver injury: A case series from Iceland and the US Drug-Induced Liver Injury Network. ↑
  8. 8. Ashwagandha-induced liver injury-A case series from India and literature review. ↑
  9. 9. Randomized placebo-controlled adjunctive study of an extract of withania somnifera for cognitive dysfunction in bipolar disorder. ↑
  10. 10. A randomized, double blind placebo controlled study of efficacy and tolerability of Withaina somnifera extracts in knee joint pain. ↑
  11. 11. Effects of an Aqueous Extract of Withania somnifera on Strength Training Adaptations and Recovery: The STAR Trial. ↑
  12. 12. Ashwagandha (Withania somnifera)-Current Research on the Health-Promoting Activities: A Narrative Review. ↑
  13. 13. Ashwagandha's Multifaceted Effects on Human Health: Impact on Vascular Endothelium, Inflammation, Lipid Metabolism, and Cardiovascular Outcomes-A Review. ↑
  14. 14. Evaluation of the Herb-Drug Interaction Potential of Commonly Used Botanicals on the US Market with Regard to PXR- and AhR-Mediated Influences on CYP3A4 and CYP1A2. ↑

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