Support your body's everyday vitality. Jarrow FormulasEnergy Optimizer features an energizing mushroom blend of fruiting bodies and mycelium (Cordyceps, Reishi, Lion's Mane, Shiitake, King Trumpet, and Turkey Tail) to support energy, endurance and vitality. Combined with Sensoril Ashwagandha, an adaptogen derived from the Withania somnifera plant known for its rejuvenating properties to support energy by helping to reduce occasional fatigue.