Ashwagandha is an Indian herb with a long history of use against stress. If your goal is feeling less wired or sleeping better, several decent trials back you up. Living longer is another matter entirely. Nobody has tested that.
Three separate placebo-controlled trials anchor the grade. Chandrasekhar's 2012 trial reported lower perceived stress and morning cortisol in 64 stressed adults taking a standardised root extract. A 2019 trial replicated the stress finding, and a later trial in people with insomnia found better sleep quality. The samples stay small, products differ between brands, and reviews of the field say the same. Rare reports of liver inflammation exist; they settled once people stopped taking it. No study runs long enough to reach disease outcomes, so the grade rests on symptom relief alone.
Doing it: Trials used roughly 300 mg of standardised root extract twice daily with food, judged after six weeks. Stop two weeks before surgery, since it adds to sedation. Mention it to your GP if you have a thyroid condition, because ashwagandha can push thyroid hormone levels up.
Who it suits: Adults with everyday stress or mild sleep trouble are exactly who the trials studied. Skip it in pregnancy, and check first with your GP if you take thyroid tablets, sedatives or immune-suppressing drugs.
Sources
- Chandrasekhar K et al., Indian J Psychol Med, 2012 (RCT, stress)
- Lopresti AL et al., Medicine (Baltimore), 2019 (RCT, stress)
- Langade D et al., J Ethnopharmacol, 2021 (RCT, sleep)
- NIH LiverTox monograph: Ashwagandha (hepatotoxicity case reports)
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