Glycine is a non-essential amino acid that has one of the simplest structures of all the amino acids. Glycine is found in proteins of all life forms, and is important in the synthesis of proteins as well as adenosine triphosphate (ATP) Supplement Facts for 500 mg Capsule Serving Size: 2 capsules   Amount %DV Calories 5   Glycine 1 g † Other Ingredients: gelatin (capsule), microcrystalline cellulose, and magnesium stearate. Warning: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product. If you have kidney or liver disease or are anuric, consult your health care professional before using this product. Do not use if either tamper-evident seal is broken or missing. Keep out of the reach of children. Suggested Use: 2 capsules 1 to 2 times daily.