Essential vitamins and minerals are required by the human body to stay healthy. Vitamins supplements help in providing all the necessary vitamins and minerals in the right quantities as per the required daily allowance. Vitamin supplements help in boosting immunity. Science shows benefits People make the “diet-disease” connection Increasing acceptance of alternative medicine aging baby boomers are seeking wellness. Research indicates that most of the vitamins you get from the food you eat are better than those contained in pills, even though vitamins in supplements are synthesized to exact chemical composition of naturally-occurring vitamins, they still don’t seem to work as well. Vitamin supplements are also called as food supplements and contain a combination of vitamins, dietary minerals and other micronutrients. They help in nourishing the body and maintain healthy functioning of the brain. Vitamin supplements when taken in the right quantities can also help in preventing specific health conditions like diabetes, joint pains and macular degeneration. Human body requires different vitamins, minerals, amino acids, fatty acids and other micronutrients to stay healthy and lead a normal life. Different vitamins play different roles in keeping our body fit and healthy. For example, Vitamin D helps in enhancing the calcium absorption by the bones, while calcium helps in building stronger bones. Iron plays an important role in building red blood cells and Vitamin A is good for the eyes. A wide range of vitamin supplements are available in the market. They come in different combinations wherein a section of vitamin supplements contain a mix of different vitamins & minerals and address the entire body nutrition needs, while the rest contain specific vitamins like iron, calcium, etc. and address specific nutrition needs. You should not take individual vitamins or minerals un-less recommended by a doctor. One possible exception is calcium. Most combination vitamin and mineral supplements do not contain enough calcium to meet the dietary reference intake. If you take a supplement, the best guide is to choose a combination vitamin and mineral supplement. Choose one that contains a variety of vitamins and minerals, in amounts no more than 100 percent of the dietary reference intakes (DRI). If your doctor or registered dietitian decides you need a supplement, only take a single dose. Do not take additional supplements to replace missed meals. Also, do not double up on doses if you are not feeling well.