12/case suggested adult use: take two tablets daily, away from food, or as directed by a nutritionally informed physician. Serving size: two (2) tablets ingredients: l-arginine 1000 mg (as 500 mg immediate release & 500 mg sustained release from l-arginine alpha-keto-glutarate) other ingredients: microcrystalline cellulose, stearic acid, silicon dioxide, magnesium stearate (vegetable source), croscarmellose sodium, modified cellulose (coating). Non-gmo/gluten free/soy free/vegan 02/23/17