PROMOTES RESTFUL SLEEP*/NEUROTRANSMITTER AND NERVOUS SYSTEM SUPPORT*: Glycine functions as a calming neurotransmitter in the brain, where it facilitates nerve impulses and is important for the maintenance of healthy sleep patterns.* VEGAN CAPSULES/PHARMACEUTICAL GRADE & FREE-FORM: Glycine is the smallest and simplest amino acid, making it versatile for use in a wide range of functions, and is necessary for the production of glutathione, DNA, creatine, bile, hemoglobin, and most proteins.* CERTIFICATIONS/CLASSIFICATIONS: Corn Free, Dairy Free, Egg Free, Made without Gluten, Non-GMO, Nut Free, Soy Free, Vegan/Vegetarian