Calorie is a system of energy a food offers your body. Foods which contain fats …

Calorie is a system of energy a food offers your body. Foods which contain fats and carbs are your main dietary sources of energy and the quantity of energy they provide is counted as calories. As a general guideline of thumb, an average person must have a calorie intake of 2,000 grams per day. #seniornutrition

Source by SeniorFitz