Source Naturals B-50 Complex 50Mg. 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.

• B-VITAMIN BENEFITS. 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