Food provides nourishment to our body. The nutrients from the food we eat helps in normal functioning of the body. Proper nutrition is crucial for maintaining health and preventing disease. Macronutrients, which are protein, fat and carbohydrates, provide energy and have other roles. So, you need large amounts of these on a daily basis. Micronutrientsare vitamins and minerals, required in smaller amounts but are essential components of biological processes that occurinthe body. Having a balanced diet and eating a variety of foods from all food groups ensures that you get all of the nutrients you need each day.