24/case directions: take four (4) tablets once per day, or two (2) tablets twice per day. Consult your physician before using if pregnant or nursing. Serving size: four (4) tablets ingredients: shiitake (lentinula edodes) 1,200 mg fruiting body extract blend vitamin c 80 mg other ingredients: dicalcium phosphate, microcrystalline cellulose, croscarmellose sodium, magnesium stearate, silicon dioxide, hydroxypropyl methylcellulose, glycerin. Suitable for vegetarians. Contains no gluten, wheat, soy, dairy, artificial colors, flavors or preservatives. 01/09/17