Planetary Herbals Full Spectrum Ashwagandha features whole root powder and root extract to capture all the plants valuable compounds. The result is a botanical that rejuvenates the body, relaxes the mind, and increases resistance to stress. Ashwagandha (Withania somnifera) is one of the world's most powerful adaptogens, used traditionally in Ayurvedic herbalism to help the body adapt to physiological and psychological stress.