Vitality Works B Complex consists of 8 distinct vitamins known collectively as vitamin B complex. This group of vitamins work in tandem to strengthen immune function and promote a healthy nervous system. Vitamin B complex is an important co-factor with minerals to help support mood and cardiovascular health; they work together to deliver a number of health benefits to the body. B vitamins are water-soluble and must be replenished in the body on a daily basis. Vitality Works B Complex provides a synergistic blend of all B vitamins in a liquid, easy-to-take, bio-available formula. B vitamins have been shown to: -Maintain healthy skin and muscle tone -Strengthen immune and nervous system function -Promote cell growth and division, including that of red blood cells Deficiency Contributors: -Stress -Consumption of processed foods and refined sugar -Pesticide or heavy metal exposure -Malnutrition -Cooked food -Antibiotics -Inadequate gut flora population (bacteria)