Nutrients

 

drawings of foods

Nutrients are those substances that human body derives from food through digestion, like: proteins, carbohydrates, fats, vitamins, water and minerals. As nutrients are components in foods, a balanced diet should include foods allowing the intake of all the nutrients which the body needs to perform its functions.

  • Energy function: the body needs energy to perform several activities and the vital functions allowing its survival. The kilocalorie is the unit of food energy;
  • Plastic function: tissues and cells renewal, body growth and development.
  • Regulatory function: to carry out the physiological processes and biochemical reactions in the body.

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