Ashwagandha is a plant used in Ayurvedic medicine. It is often called an adaptogen, meaning a substance that may help the body cope with stress. A medical news report highlights growing interest in ashwagandha for stress, anxiety, and sleep. Early clinical trials and a recent review suggest it can modestly reduce stress and anxiety and may help people sleep better. These benefits appear after several weeks of regular use and are still being studied.
Doctors quoted in the report view the evidence as encouraging, yet they advise caution. Safety depends on the person. Most users report only mild stomach upset. However, rare cases of liver injury have been described. People with thyroid disease, autoimmune conditions, or those who are pregnant or breastfeeding are usually advised to avoid it. Ashwagandha can also interact with medicines, including drugs for thyroid, diabetes, blood pressure, sleep, and immune conditions. Long term safety beyond a few months is not well known.
Ashwagandha is sold as powders, capsules, drops, and teas. Product quality and strength can vary, so labels may not match what was used in studies. Anyone considering ashwagandha should speak with a clinician, especially if they take medicines or have ongoing health issues.
An investigation into the stress-relieving and pharmacological activity of an ashwagandha extract in stressed adults, randomized double-blind placebo-controlled – 2019
In adults under stress, ashwagandha improved self-reported stress and biological stress markers compared with placebo over several weeks.
Does ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trials – 2022
Across randomized trials, ashwagandha showed a small to moderate reduction in stress and anxiety, though study quality varied and more rigorous trials are needed.
Ashwagandha: Is it helpful for stress, anxiety, or sleep? – 2025
NIH fact sheet notes short-term use appears well tolerated, potential benefits for stress and sleep are modest, and cautions include possible effects on liver and thyroid, interactions with several medicines, and avoidance in pregnancy and breastfeeding.
Ashwagandha: Usefulness and Safety – 2025
Government health guidance outlining potential interactions, risks for people with thyroid and autoimmune conditions, and the need to avoid use before surgery.
Ashwagandha, LiverTox: Clinical and Research Information on Drug-Induced Liver Injury – 2024
Reviews case reports of liver injury linked to ashwagandha. Most cases resolve after stopping the supplement, although severe cases have been reported.
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