glycine gly·cine (glī'sēn', -sĭn)
Abbr. Gly A nonessential amino acid derived from the alkaline hydrolysis of gelatin and used as a nutrient and dietary supplement, also used in biochemical research and in the treatment of certain myopathies.
A nonessential amino acid. Glycine is the simplest amino acid. Chemical formula: C2H5NO2. See more at amino acid.