Prowise Japanese Matcha Green Tea is the renowned nutritional source of green tea in a daily vegetarian-friendly capsule. Rich in catechin, an antioxidant that prevents the aging of cells. Matcha has a high content of theanine, an amino acid capable of stimulating the brain by reducing stress and anxiety, and able to increase concentration. University of Colorado Studies shows that a cup of Matcha contains 20 times the antioxidants present in a normal cup of green tea.