Humans need food to survive. Foods that humans eat contains various types of nutrients are carbohydrates, protein, fats, vitamins, and mineral. Nutrients have energy are carbohydrates, protein, and fats. Vitamins and minerals do not provide energy to the body. But sometimes the foods that we eat may contain certain contaminants. Both are dangerous and are not harmful to the body or, there may be some substance contamination to the trade benefits. Milk is a food that contains the nutrients that are essential for the body. But there may be some substance contamination to the trade benefits. Therefore, we should choose to eat food that is nutritional principles, suitable for age and gender for good health of the body.