Food plays an important role in our daily life. Without food, we cannot survive. Food gives us all the required nutrients that our body needs in order to perform activities in our daily life. People usually find it difficult when choosing the right and effective diet for themselves. Its easy to get overwhelmed with all the dieting advice you get. Do you have to try out every type of diets without obtaining any result? Some people are unaware about how to have a proper diet and with those misleading advice, they may have to stop consuming the food they love, cutting down some portions and calories. Some people do survive this, nevertheless majority of people find it restrictive. In order to have a proper diet, the below information will give an idea about how nutrients plays a significant role in a proper diet. What helps the people to get a proper diet are the three types of diets involved, which are divided into three categories; balanced diet, diabetic diet and fitness diet.