As coenzymes (help enzymes carry out chemical reactions) B-vitamins are essential nutrients involved in most metabolic reactions. They play an important role in energy production, particularly from the metabolism of carbohydrates, fats and proteins. These essential nutrients are also important for the production of healthy cells, hormones, neurotransmitters and other vital biochemicals. They are needed for healthy nerve, heart, brain, muscle and other important cell/tissue function. The B-vitamins are water-soluble and therefore, not stored to any significant extent in the body. This is why we need to ensure adequate intakes of these nutrients on a daily basis. Due to the excess consumption of refined and processed foods, the average person does not consume optimal amounts of these nutrients. Our B-Complex-50 and B-Complex-100 provide moderate to high amounts of essential B-Complex vitamins.