24/case directions: as a dietary supplement, take 1-3 tablets twice a day or as directed by your practitioner. Ingredietns: maitake fruiting body powder 600mg maitake fruiting body extract, pd-fraction 240mg standardized to contain d-fraction (proteoglucan). Vitamin c 120mg other ingredients: microcrystalline cellulose, dicalcium phosphate, calcium stearate, silicon dioxide, hydroxypropyl methylcellulose, glycerine. 11/18/15