Vitamins are important for a range of bodily functions. Taking a multivitamin ensures that you are not missing out on anything your body needs to run at optimum performance. The benefits of taking a multivitamin range from improved brain function to healthier hair and nails all the way to a stronger immune system. If you are going to make one change to elevate your general health and wellbeing, incorporating a multivitamin into your routine should be your first step.