New Roots Herbal Ashwagandha 500mg - Ashwagandha has a history of use spanning millennia as an adaptogen in Ayurvedic medicine. The roots of this hardy perennial contain naturally occurring botanical steroids called withanolides. These biologically active compounds are credited for the many health benefits of ashwagandha. Ashwagandha can energize or calm the body when faced with stressful situations. Improved cognitive function and enhanced memory are also among its many benefits. Clinical trials have also demonstrated ashwagandha root extract to be effective for improved stamina, endurance, and exercise recovery.