B-Complex Component is a term used to describe a group of essential vitamins and minerals that are necessary for the body to function properly. Niacin (6 letters), Folic (5 letters), Inositol (8 letters), Biotin (6 letters) and Choline (7 letters) are all components of the B-Complex. Niacin helps to maintain healthy skin, nerves and digestive system. Folic acid helps to form red blood cells and is important for pregnant women. Inositol helps to regulate fat metabolism and is important for healthy hair growth. Biotin helps to metabolize carbohydrates, fats and proteins. Lastly, Choline helps to maintain the structure of cell membranes and is important for brain development.