Promote healthy, restful sleep with Life Extension Glycine. A valuable amino acid, Glycine plays a role in many functions throughout the body, including as a neurotransmitter in the central nervous system. Each serving of Life Extension Glycine delivers 1,000 mg of glycine.<br/><ul><li><p>Promotes healthy, restful sleep&nbsp;</p></li><li><p>1,000 mg of glycine per serving&nbsp;</p></li><li><p>Vegetarian capsules</p></li><li>Non-GMO</li></ul>