B6 Phosphate supplies the biologically active form of vitamin B6, pyridoxal-5-phosphate, in combination with the antioxidant compounds superoxide dismutase (SOD) and catalase. Vitamin B6 is important for proper immune function, metabolism, and cardiovascular health (necessary for healthy homocysteine levels). Vitamin B6 status can also be impacted by a wide range of pharmaceutical compounds. 100 tablets.