Nutrition is an essential human requirement and is a necessity to live a healthy and happy life. It is crucial to eat a balanced diet at an early stage of life to ensure the development, growth and activity of life. Nutrition is the discipline that studies all the different aspects of how food is made and the method by which proper nutrition is achieved.

The typical nutritional requirements of individuals are set and are based on tangible characteristics such as gender, age and height and weight, level of physical activity, and the rate of growth.