Boost Your Brain & Overall Health! OurLion's Mane Mushroom, scientifically known as. Super Strength4000mg Lion's Mane Mushroom per serving. Bulking agents (Microcrystalline cellulose, Dicalcium phosphate),Lion’s mane 15:1 extract (50% Polysaccharides), Anti-caking agents (Magnesium stearate, Silicon dioxide), Black pepper 10:1 extract, Pyridoxine hydrochloride, Thiamine hydrochloride, Vitamin B12 (Cyanocobalamin).