Supplement Facts for 500 mg Capsule Serving Size: 3 capsule(s) Amount %DV Calories 5 L-Leucine 1.5 g Other Ingredients: gelatin (capsule), colloidal silicon dioxide, and magnesium stearate. Warning: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children. Suggested Use: 2 to 3 capsules daily between meals.