Amino acids are the building blocks of protein, which play a role in normal growth and development. Glutamine is the most abundant free form amino acid in blood and skeletal muscle. It can serve as an energy precursor and is involved in more metabolic processes than any other amino acid. Hard training can decrease glutamine levels, which is why it is a popular supplement for bodybuilders and athletes everywhere.  Best selling and most widely used amino acid! Aids healthy functioning of GI tract** Supports a healthy immune system** Essential fuel source for muscles Facilitates proper exercise recovery** 2000mg (2g) provided in each serving 200 gluten free, vegetarian, easy to swallow coated caplets WARNING: If you are pregnant, nursing, taking any medications or have any medical condition, consult your doctor before use. Discontinue use and consult your doctor if any adverse reacctions occur.  Keep out of reach of children.  Do not use if seal under cap is broken or missing. WARNING: Consuming this product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food.*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.