Support your body's everyday vitality. Jarrow Formulas Immune Optimizer features a wholesome mushroom blend of fruiting bodies and mycelium (Cordyceps, Reishi, Lion's Mane, Shiitake, King Trumpet, and Turkey Tail) to help defend against free radicals. Combined with Ap-bio Andrographis paniculata, an adaptogenic botanical clinically researched to support immune system health.