Avi-Immune is a formulation developed specifically for birds to supply DMG (dimethylglycine) in an easy to use and readily accepted form. DMG is an amino acid found in such foods as cereal grains, liver, and beans. As a nutritional supplement, DMG acts as a building block for the synthesis of many important substances such as choline, the amino acid methionine, several hormones, neurotransmitters, and DNA