Ashwagandha, a plant long used in Ayurvedic medicine, is drawing fresh attention as researchers examine its possible role in stress and anxiety support. Known scientifically as Withania somnifera, the evergreen shrub grows across India, Africa, and parts of the Middle East.
What the latest science suggests
Supplement makers often describe ashwagandha as an adaptogen, a substance believed to help the body respond to stress more effectively. Current research offers early but limited support for that idea. A 2026 phase III clinical trial involving 60 participants over 60 days reported lower anxiety and stress levels in the ashwagandha group compared with placebo.
Experts note that the evidence is still developing. Some studies have shown encouraging results, but many have been small or carried out in controlled settings rather than in broader real-world populations. That means the supplement's full potential is not yet clear.
Possible benefits and safety notes
The strongest interest around ashwagandha centers on stress, anxiety, and sleep support. Nutrition specialists say it may be more useful for people dealing with chronic stress than for general, everyday anxiety. At the same time, long-term safety data remain limited.
Short-term side effects can include nausea, vomiting, and diarrhea. Some reports have also linked the supplement to liver-related concerns, while interactions may occur with anticonvulsants, blood pressure medicines, and thyroid treatments. A 2026 study in healthy adults found no clear damage to the kidneys, liver, or thyroid after 12 weeks, even at higher doses.
Because supplements are not regulated like medicines, quality matters. Experts recommend choosing products tested by independent organizations such as USP or NSF. Typical suggested amounts range from 300 to 500 milligrams once or twice daily, with 1,000 milligrams a day cited as an upper limit. A healthcare professional can help determine whether it fits individual needs.
As research expands, ashwagandha may become a more precise tool in the growing field of evidence-based wellness.