Withania somnifera extract is derived from the roots and leaves of the South African ginseng (Withania somnifera) and contains various bioactive components, including withanolides (such as withanolide A, withanolide D, and withaferin A), withanosides (such as withanoside IV and withanoside VI), alkaloids (such as isopelletierine and anaferine), β-sitosterol, benzoic acid, and tropane alkaloids. It has been extensively studied for its benefits in stress management, alleviating anxiety, enhancing physical performance, and overall health improvement.