Since 1947 Gluten, Wheat & Dairy Free Suitable for Vegetarians Kosher Parve Dietary SupplementVitamin B6 is part of the group of essential nutrients known as the B Complex. B Complex vitamins, including B6, work to support energy metabolism in the body. B6 helps maintain healthy nervous system and brain function. Along with folic acid and B12, B6 promotes heart health by supporting healthy levels of homocysteine already within a normal range. It also plays an integral role in the production of red blood cells.