Glycine is a conditionally essential amino acid. It has the simplest structure of all amino acids. Most protein contains glycine. This makes it is very important for specific body function. Collagen contains even 35% glycine. Glycine is very important to the bio-synthesis of important bio-functional substance, such as protein, peptide, glutathione, nucleic acid, hemoglobin, and glycogen. Glycine is a neurotransmitter benefiting health brain. It's water soluble with sweetish taste. Generally use amount: to take 1/4 teaspoon powder (about 1 gram) in one glass of water or juice, 1 to 3 times daily. Or do your own research for proper amount of your desired purpose, and your use purpose. Warnings: The above description is for informational purpose, not as healthcare professional advice. Please read the whole description carefully before you take this amino acid. Please consult your doctor and/or pharmacist before you take this amino acid. Pregnant or lactating women, people with diabetics, hypoglycemics, and people with known medical conditions and/or taking drugs, should consult with a licensed physician and/or pharmacist prior to starting any supplementation program. Disclaimer: These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.