What is the B-Complex (Performance Vitamins) supplement

The essential B vitamins necessary for energy metabolism, for mental, emotional and cardiovascular well-being. It includes: Vitamin B1 (thiamine), B2 (riboflavin), B3 (niacin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folic acid), and B12 (cobalamin).