Youtheory Ashwagandha 150 veggie capsules. Ashwagandha is an adaptogen that helps the body adapt to various emotional and physical stressors. Adaptogens can aid an exhausted nervous system by supporting the adrenal glands that respond to stress, promoting a greater sustained level of energy, as well as deeper level of relaxation. It is often described as an “adaptogen†because it helps the body successfully adapt to stressful conditions. When used regularly over time, Ashwagandha helps combat stress and provides numerous benefits for the body and brain.