Complete food is food that contains all the nutritional elements, in quantities appropriate to the body's needs according to the person's age, gender, activity, digestion, and absorption. It is eaten and absorbed by the cells of the organism in an attempt to produce energy, maintain life, or stimulate growth, so that it is balanced. Therefore, a balanced food must contain the basic nutritional elements, which are proteins, carbohydrates, fats, vitamins, mineral elements, and water.
There is no doubt that the type of food a person eats from birth to old age is one of the most important factors that affect his physical and mental health. In order to meet the body's needs, food must contain the complete food groups and include proteins such as meat, fish, eggs, legumes, fats, carbohydrates, vitamins, mineral salts, and water.