Dimethylglycine is a derivative of glycine, the simplest of the amino acids. It acts as a building block for many important substances, including the amino acid methionine, choline, a number of important hormones and neurotransmitters , and DNA. 

DMG helps the body maintain high energy levels and boosts mental acuity. DMG has been found to enhance the immune system and to reduce elevated blood cholesterol and triglyceride levels. It improves oxygen utilization by the body , helps to normalize blood pressure  and blood glucose levels , and improves the functioning of many important organs. It may also be useful for controlling epileptic  seizures. 

DMG is thought to increase pangamic acid levels in the body.