B-Complex Vitamin Supports Healthy Homocysteine Metabolism A Dietary Supplement Vegetarian/Vegan Kosher Vitamins Family Owned Since 1968 Quality GMP Assured Folic Acid is very important member of the B-vitamin family required for DNA synthesis and genetic repair, making an adequate supply essential for rapidly dividing cells, such as red blood cells. Folic acid is also necessary for the synthesis of methionine from homocysteine and can help to contribute to the healthy function of both the cardiovascular and nervous system.