L-Methionine supplies 500 mg of this essential amino acid. L-Methionine is an essential amino acid, meaning that it must be obtained it from the diet, since the body cannot synthesize it from other amino acids. The amino acid plays an important role in the body with methyl group metabolism, which is essential for normal liver and neurological function. Methionine can also act as free radical scavenger, making it useful to support the body’s antioxidant defenses. Directions: Serving size one capsule. Use as directed by your healthcare practitioner. Other ingredients: Cellulose, gelatin (capsule) and vegetable stearate. This product contains NO yeast, wheat, gluten, soy protein, milk/dairy, corn, sodium, sugar, starch, artificial coloring, preservatives or flavoring.