12/case suggested adult use: take 1 to 2 capsules daily, between meals. Servings size: 1 capsule ingredients: d-phenylalanine 500mg other ingredients: modified cellulose (veggie capsule), cellulose, magnesium stearate (vegetable source). Caution: phenylalanine supplements should not be taken by individuals with phenylketonuria (pku), children, pregnant or lactating women, people with high blood pressure, and anyone taking anti-psychotic medications or mao inhibitors. 03/24/11