What is it L-Glycine is an amino acid used by the body to build proteins. L-Glycine promotes health of the thymus gland, spleen, and bone marrow and balance white cell production. L-Glycine slows down muscle degeneration by supplying additional creatine, which is a compound that is present in muscle tissue. It is utilized in the construction of DNA and RHA. L-Glycine is essential for the synthesis of nucleic acids, bile acids and other nonessential amino acids in the body. It has been used in the treatment of manic depression and is also effective in the treatment of hyperactivity. Where is it from Glycine is also taken in through a healthy diet of meat, fish, dairy and legumes. Glycine is considered the simplest amino acid in the body and has many important roles. Glycine is a neurotransmitter in the central nervous system and of major importance to the creation of protein, peptides, creatine, purines, bile salts, glycogen, hemoglobin, ATP, nucleic acids, porphyrins, glutathione, gluc