L-Theanine (a water soluable amino acid and a constituent of green tea) with lemon balm extract.Ingredients:INGREDIENTS: one vegetarian capsule provides: Lemon balm extract (Melissa officinalis) 300mg Providing 5% rosmarinic acid L-Theanine 200mg Directions:As a food supplement, take one capsule 1-2 times daily, or as directed by your healthcare practitioner.