Macro-nutrients are the body’s energy supply, measured in calories.               In this description: 55% to 60% from carbohydrates, 25% to 30% from fats, and 5% to 10% from proteins. Macronutrients Supply The Energy When one talks about a normal metabolic rate—being, on average, 25 to 30 kilo calories per kilogram of body weight per day (25-30 […]