Daily consumption of powdered barley grass juice helps to provide your body with essential nutrients that promote health and vitality. After taking powdered barley grass juice daily for as little as one week, many people report an increase in energy, better looking hair, skin, and nails, and increased regularity - all signs of good nutrition. After 10 years of research Japanese health researcher Hagiwara, made the statement "the leaves of cereal grasses provide the nearest thing to perfect food that this planet offers".