Ashwagandha
What Is Ashwagandha?
Ashwagandha is an adaptogenic herb used in Ayurvedic medicine for thousands of years. Its scientific name is Withania somnifera. It’s one of the most studied herbal supplements available today.
You’ll see it marketed for everything from anxiety to testosterone to muscle growth. Some of those claims hold up. Others don’t.
We analyzed 12 meta-analyses and systematic reviews covering 47 individual studies. Here’s what the data actually shows.