The amino acid glutamine may be helpful for natural appetite management. It is also the primary fuel of the cells lining the digestive system and the immune system. The slightly sweet powder can be stirred into water or juice or sprinkled on food. Also available as Glutamine Powder. Two capsules typically provide: Glutamine 1000mg. Suggested intake: Take 2 - 10 capsules (children over 8 years, 1-2 capules; over 10 years, as adults), 1-3 times a day, between or before meals, with a cool drink.