Source of an essential amino acid for the maintenance of good health.
Adults: Take 1 capsule daily or as directed by your healthcare practitioner.
Each vegetarian capsule contains: ʟ‑Tryptophan 220 mg Non-medicinal ingredients: Microcrystalline cellulose, vegetable magnesium stearate, and silicon dioxide in a non-GMO vegetarian capsule composed of vegetable carbohydrate gum and purified water.