VetriScience Laboratories Vetri Lysine Plus is recommended to support immune system function, collagen formation, tissue repair, antioxidant activity, and antibody and lymphocyte production. The amino acid L-lysine supports hormone, antibody and enzyme production, as well as collagen formation and tissue repair. The inclusion of DMG supports methylation, providing useful methyl groups to support the production of hormones, neurotransmitters, antibodies, nucleic acids, and other metabolically active molecules.