Best D-Phenylalanine by Doctor's Best Potency 500 mg Size 60 Vcaps Retail Price $27.99 Our Price $15.87 SKU # DRB-00110 Product ID # 43548 You Save 44% Buy Now! Ingredients of Best D-Phenylalanine Supplement Facts Servings Size: 1 capsule Ingredients Amount %DV D-phenylalanine 500 mg † Other Ingredients: modified cellulose (veggie capsule), cellulose, magnesium stearate (vegetable source). Does Not Contain: milk, egg, wheat, corn, sugar, sweeteners, starch, salt, or preservatives †: Daily value not established.   Suggested Use for Best D-Phenylalanine Adult Use: Take 1 to 2 capsules daily, between meals.   Warning for Best D-Phenylalanine 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. Contains Nothing Other Than Listed Ingredients.