of proteins, fats and carbohydrates in food. How many of them should be contained in food for each person to find out is not difficult. It all depends on what type of activities engaged people.
Knowledge workers move a little, but the brain absorbs a lot of energy, so their diet should be 100-110 g of protein, 80-90 g of fat and 300-350 g of carbohydrates per day.
The people engaged in physical labor spend more energy the muscles, so they need 115-120 grams of protein, 80-90 grams of fat and 400 grams of carbohydrates. In addition, each person should receive daily vitamins and fiber.