It is the most abundant free amino acid in muscle, cerebrospinal fluid and in circulation. Glutamine has several important roles in metabolism. Its synthesis is the main pathway for removing toxic ammonia from your body. Glutamine is also an important muscle-building amino acid and helps to maintain healthy muscle glycogen stores after exercise. This goes above and beyond what is required so that we can guarantee you receive consistently high-quality products. HealthyHey glutamine capsules are suitable for vegetarians and vegans.