Regenerlife Ashwagandha features clinically studied KSM-66 Ashwagandha® used in herbal medicine as an adaptogen to help increase energy and resistance to stress. This one-per-day supplement is specially formulated for aging individuals who feel mentally and physically fatigued from stress. Each vegetarian capsule contains 600 mg of non-GMO, organic ashwagandha root extract standardized to 5% of ashwagandha’s active withanolides. It is traditionally used in Ayurveda for memory enhancement and helps improve quality of sleep.