NOW Foods DMG (Dimethylglycine) 125 mg provides this naturally occurring amino acid derivative found in small amounts in foods like beans, liver, and grains — known for its role in supporting immune function, cellular oxygen utilization, and neurological health. DMG is a methyl donor that participates in one-carbon metabolism pathways, donating methyl groups for the synthesis of neurotransmitters, hormones, and nucleic acids. Athletes have used DMG for endurance and oxygen efficiency, while practitioners have explored it for immune modulation, autism spectrum support, and cardiovascular health. NOW Foods provides 125 mg of pure DMG per capsule in a vegetarian-suitable formulation manufactured in their GMP-certified facility. A versatile methyl donor and cellular support supplement with a broad range of potential benefits.