Vitamin B6�is involved in more bodily functions than almost any other single nutrient, with roles in homocysteine metabolism, hemoglobin formation, and neurotransmitter synthesis. It also acts as a potent antioxidant in the body.�B6 SAP�provides a healthy supplemental dose of vitamin B6, including 10 mg of the active form pyridoxal-5?-phosphate, in a blend of B vitamins and choline to support optimal B6�metabolism.