The optimum calories to be provided by proteins should be
The main source of energy in the diet is carbohydrates derived largely from cereals and provide 50-80% of daily intake. Most families derive 10-12% of energy from proteins. Energy from fats may vary from 5-30%.Ref: Park; 23rd ed; Pg 634
5-10%
10-15%
15-20%
20-30%
Nutrition and health