L-glutamine is the most abundant amino acid in a nonessential human body and is one of the few that can directly pass through the blood-brain barrier. In the body it is located in the circulation, as well as stock in skeletal muscle. The amino acid is the best source for rapid muscle growth in athletes and body builders. DIRECTIONS OF USE: Helps for more energy when taken before a workout. Speeds up recovery after exercise and promotes muscle growth. Can be taken any time during the day. For best results take one dose before and one dose after exercise. INGREDIENTS: 100% glutamine powder. Use only as a dietary supplement! Do not use if pregnant, lactating women and children! Keep out of reach of children! Do not exceed the RDA indicated in nutritional values. Dietary supplement that can not replace a varied diet! It is not medicine! Use before the expiry date, marked on the packaging / L. Store in a cool dry place to 28C without direct sunlight.