B-vitamins are essential components of numerous key enzyme systems, without which the body cannot function. Each B-vitamin fills a different complementary need, which is why they should most often be taken together. B-vitamins act as coenzymes to catalyze numerous biochemical reactions.* Ingredients Thiamin, Riboflavin, Niacinamide, Vitamin B-6, Vitamin B-12, Pantothenic Acid, Inositol and PABA
