The balanced diet constitutes proteins and vitamins in a right amount that is required for a human being to lead a healthy life. The importance of the balanced diet is discussed below. The main five food groups has to be included in the balanced diet .The five major food groups include grain, meat, dairy, vegetables and fruits. The green vegetables and fresh fruits play an important role in balanced diet. Also an adequate amount of water has to taken. People can lead a healthy life only if they have a balanced diet. Proteins are the primary thing that is required for a balanced diet. The role of protein in the balanced is to repair the health of the human bodies. Fat is also very much required in the formation of the cell membranes. This type of energy can stored in the body and can be used when it is necessary. The role of magnesium in the balanced diet is to reduce the blood pressure and the nerves system requires magnesium. The work of fiber is to maintain the functions of the intestine. The formation of red blood cells requires iron. If three is a lack of production in red blood cells then it may lead to diseases such as anemia. So to lead a healthy life it is necessary to follow proper balanced diet.