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Adaptogens
Ashwagandha (Withania somnifera)
In plain language
A traditional Indian herb. Mainly used to lower stress and improve sleep.
Is it an approved medication?
No — not an approved medication
No - sold as a food supplement, not a medication
How strong is the evidence?
Moderate - promising but studies are still fairly small
The main thing to know
Avoid if pregnant or if you have a thyroid condition, without medical advice.
Mechanism
Modulation of the hypothalamic–pituitary–adrenal axis; GABAergic activity documented in vitro.
Potential benefits
- Serum cortisol
- Perceived anxiety score
- Sleep quality
- VO2max (moderate effect)
Regulatory status
Food supplement; national restrictions in some EU member states