Lion’s Mane Mushroom 4:1 Extract (Hericium erinaceus) (fruiting body), Chaga Mushroom 4:1 Extract (fruiting body), Maitake Mushroom 4:1 Extract (fruiting body), Shiitake Mushroom 4:1 Extract (fruiting body), Reishi Mushroom 30% Extract (fruiting body), Hydroxypropyl methylcellulose, vegetable magnesium stearate, and silicon dioxide.