12/case directions: for adults, as a dietary supplement, take two (2) capsules daily with food or as directed by your qualified healthcare professional. Supports a healthy immune system. Serving size: two (2) capsules ingredients: berberine 1000 mg vitamin c 120 mg zinc (zinc gluconate) 30 mg other ingredients: gelatin, silica, & magnesium stearate (vegetable source). 12/21/17