Ashwagandha root powder and extracts improve sleep and reduce anxiety in humans
Ashwagandha (Withania somnifera L.) has been used in Ayurvedic medicine to improve sleep and anxiety, with recent scientific investigations showing promise for relief from insomnia and stress. The review notes that millions of people take ashwagandha daily with very few reported side effects, suggesting safety.
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Ashwagandha root powder and extracts improve sleep and reduce anxiety in humans The current body of evidence comprises 1 study. EvidenceHub rates the overall confidence at 32/100 (low).
The Claim
Ashwagandha root powder and extracts improve sleep and reduce anxiety in humans
This conclusion is most relevant to: General population (millions in India, China, and parts of the West).
What the Research Shows
The conclusion draws on 1 linked study. Highlights from the cited literature:
- ▸The Clinical Implications of Ashwagandha (Withania somnifera L.) with a Special Reference to Side Effects-A Review. (Nutrients, 2026) —
How It Works
The proposed biological pathway:
- ▸Ashwagandha modulates stress response pathways
- ▸Reduces cortisol levels
- ▸Enhances GABAergic activity
- ▸Result: Improved sleep and reduced anxiety
Who Might Benefit
Evidence fit by population:
- ▸General population (millions in India, China, and parts of the West)
Recommended Dose
N/A
Limitations & Caveats
Important context when interpreting this evidence:
- ▸This is a narrative/literature review, not a systematic review or meta-analysis
- ▸Specific effect sizes, doses, and study durations are not reported in the abstract
- ▸No direct comparison with placebo or standard treatments is provided
Frequently Asked Questions
Is ashwagandha safe for daily use?▼
The review suggests very few side effects have been reported despite millions of daily users, indicating safety, but neither the FDA nor EMA classify it as a drug or supplement.
How does ashwagandha improve sleep?▼
It is thought to reduce stress and anxiety, which are common causes of insomnia, likely through modulation of cortisol and GABA pathways.
What is the recommended dose of ashwagandha for sleep?▼
The abstract does not specify a recommended dose; this information is not provided in the review summary.
Is ashwagandha approved by regulatory agencies?▼
No, neither the European Medicines Agency nor the FDA consider ashwagandha as a drug or general health supplement; it is marketed as a dietary supplement in the West.
References
- 1.Winther K. “The Clinical Implications of Ashwagandha (Withania somnifera L.) with a Special Reference to Side Effects-A Review..” Nutrients, 2026. PMID: 41830041 DOI: 10.3390/nu18050871