L-tyrosine is a non-essential amino acid and a precursor to adrenaline, norepinepherine, dopamine and L-dopa. These neurotransmitters are involved with mental function, mood, satiety and response to stress. L-tyrosine is also involved in the production of thyroid hormone and the skin pigment melanin. Free form amino acid, high purity, well tolerated. Suggested Use: As a dietary supplement, 1 capsule one to three times daily between meals, or as directed by a healthcare practitioner. Serving Size 1 capsule Servings per container 100 Amount per serving: L-Tyrosine 500 mg Other ingredients: Hydroxypropyl methylcellulose, cellulose, L-leucine. This nutrient is of the highest quality and purity obtainable, free of all common allergens, and does not contain preservatives, diluents, or artificial additives. Appropriate for food-sensitive individuals.