Herbal

Ashwagandha

Last reviewed September 28, 20261 sources

In short

Ashwagandha (Withania somnifera) is an herb used in Ayurvedic tradition. Supplements use root or root-and-leaf extracts, often standardized to compounds called withanolides.

Research in progress. This ingredient page doesn’t yet meet SuppScout’s bar for a complete reference (sourced evidence summary, considerations and sufficient detail), so search engines are asked not to index it. The information shown is sourced where cited.

Quick facts

Plant: Withania somnifera^[1]

Common ashwagandha supplement forms

Root extract
Root and leaf extract
Whole root powder

Detailed form pages for Ashwagandha are being researched.

What researchers have studied it for

Stress and sleep

Limited evidence

Small, short clinical trials have studied ashwagandha extracts for stress and sleep outcomes; study quality and extracts vary.^[1]

Evidence labels summarize the overall body of published research for each topic; they are not a recommendation and do not mean a supplement is appropriate for you. Published research

Typical amounts in supplements

Extract amounts vary by product and standardization; compare extract type and withanolide content, not just milligrams.

These describe what supplements commonly contain and published reference values — not a recommendation for you.

Potential considerations

Rare cases of liver injury have been reported.
Not recommended during pregnancy.
May affect thyroid hormone levels.

Products containing ashwagandha

No products listed yet

SuppScout hasn’t added ashwagandha products yet.

Sources & references

Ashwagandha: Fact Sheet for Health Professionals. NIH Office of Dietary Supplements. ods.od.nih.govGovernment

SuppScout links to primary and authoritative sources wherever possible. See our editorial policy for how sources are selected and how corrections are handled.

This page is educational and is not medical advice. Talk to a healthcare professional before starting a supplement, especially if you have a medical condition, take medications, or are pregnant or breastfeeding. Medical disclaimer.