Ashwagandha is a plant. The root and berry are used to make medicine. Ashwagandha has a lot of uses. But so far, there isnt enough information to judge whether it is effective for any of them. Ashwagandha is used for arthritis, anxiety,trouble sleeping (insomnia), tumors, tuberculosis, asthma,a skin condition marked by white patchiness (leukoderma), bronchitis, backache, fibromyalgia,menstrual problems, hiccups, and chronic liver disease.