Energy obtained from food

The energy of human body got from food is limited mostly by digestion. The main nutrients required by the human body come from 5 separate classes: Proteins Fats Carbohydrates Vitamins Minerals Approximately 1600 – 1800 kcal are needed daily by a man adult, while a woman needs 1200 – 1400 kcal. The need for energy is different from person to person, depending mainly on the life style. For example, active men need approximately 3000 kcal daily, active women need 2500 kcal, while athletes usually need more than 5000 kcal per day. Any surplus of calories is transformed and stocked as…Read the Rest