Vitamin B12 complex contains: Riboflavin-required for the proper development and function of the skin, lining of the digestive tract, Niacin-required for the proper function of fats and sugars in the body and to maintain healthy tissue, Vitamin B6-needed to maintain proper energy levels.
 
B12 is a vitamin that is found in meat and dairy products, and is required for the development and functioning of many body tissues and systems. Deficiency of B12 can lead to many problems such as memory loss and fatigue.