How will Vitamin B Complex benefit me? Commonly referred to as the vitamin B complex, these eight B vitamins (B1, B2, B3, B5, B6, B7, B9 and B12) play vital roles in ensuring that our bodies operate as efficiently as they should. This formula contains a range of B vitamins that provide an array of health benefits contributing to a reduction in tiredness and fatigue, normal energy-yielding metabolism, and normal function of the immune system, providing energy, endurance, and stamina. The body needs different amounts of each B vitamin, and this formula is balanced to assist B12 absorption. It is highly recommended for vegetarians due to its high level of vitamin B12, Vitamin B12, in particular, contributes to normal red blood cell formation, the normal function of the immune and nervous system and psychological function. Amongst the many other benefits of B vitamins, thiamine (B1), contributes to the normal function of the heart, Riboflavin (B2) contributes to the maintenance of normal red blood cells, skin, vision, and metabolism of iron. Niacin (B3), contributes to normal psychological function, the functioning of the nervous system, and the maintenance of normal mucous membranes and skin. Pantothenic Acid (B5), contributes to normal mental performance as well as the synthesis of steroid hormones, vitamin D and some neurotransmitters. Vitamin B6 contributes to the regulation of normal hormonal activity, and protein and glycogen metabolism. Biotin, otherwise known as B7 contributes to normal energy yielding metabolism, functioning of the nervous system, macronutrient metabolism and the maintenance of normal hair, skin and mucous membranes.