The main ingredient in BBETTER KSM 66 Ashwagandha capsules is clinically evaluated in 24 studies to help relieve stress improve sleep and mood. BBETTER Ashwagandha Ashwagandha KSM 66 600mg is an Ayurvedic medicine that helps in improving the physical and mental health. KSM66 Ashwagandha tablets been especially formulated to promote a healthy immune system improve stamina and energy levels reduce stress and anxiety improve overall brain function. It improves physical strength and stamina increases immune system power