Yamamoto Nutrition Glutamass Powder is a supplement made from pure L-glutamine powder. Suitable for athletes engaging in physical activities that require intense muscle effort. Glutamine is the most abundant amino acid in the blood and is essential in certain situations, especially during intense exercise. Directions for use: mix 1 scoop (5 g) with 200 ml of water and take once a day, preferably after physical activity. Keep out of reach of young children. Not suitable for pregnant women and children or for prolonged periods without consulting a doctor. Store in a cool, dry place. Avoid exposure to heat sources and sunlight.