B-complex vitamins are important to overall health. Some of their benefits are: -Vitamin B1 (thiamine) is necessary to metabolize carbohydrates and produce acetylcholine. -Vitamin B2 (riboflavin) is a precursor to coenzymes after being converted to its bioactive form, in order to be used by the body. -Vitamin B3 (niacin) is a precursor to coenzymes and plays an important role in energy transfer reactions for the metabolism of sugars, fats and alcohol. -Vitamin B5 (pantothenic acid) is a precursor to coenzyme A, which is necessary for metabolizing amino acids and fatty acids. -Vitamin B6 (pyridoxine) is an important coenzyme for decarboxylation. -Folic acid works synergistically with vitamin B12 for DNA synthesis, which is necessary for all skin cells. -Vitamin B12 (cyanocobalamin) is a coenzyme necessary in order to process carbohydrates, proteins and fats, maintain nerve sheaths, and is involved in erythropoiesis. -Inositol is an important intermediate element of the second messengers, as well as a primary element of the cell membrane phospholipids involved in many biological processes. -Vitamin B7 (D-biotin) is an essential coenzyme, which works synergistically with other B-complex vitamins, for the synthesis of proteins, carbohydrates and fatty acids. -Choline is essential for the formation of nerve impulses, which convey information through the nervous system. -Moreover, it is involved in the production of hormones and is necessary for the metabolism of fats and cholesterol. -Para-aminobenzoic acid (PABA) is essential for folic acid synthesis and for maintaining healthy skin.