Therefore, precisely because the caloric needs and the percentage of necessary nutrients vary according to the most varied factors (age, sex, body composition, level and frequency of physical activity) or the objectives set, the most suitable and diligent way to set up a plan nutritional ad hoc is represented by the advice of a dietician.
of the related biological structures.Nutrients are classified into two main fundamental groups:
- Macronutrients: supplied to the body in greater quantities; they are divided into:
- Carbohydrates;
- Proteins;
- Fat;
- Fibers;
- Waterfall;
- Micronutrients: placed in smaller quantities; they are distinguished in:
- Vitamins;
- Minerals.
In each food can be present, in varying proportions, dozens of different nutrients; therefore, it is useful to remember that to ensure a balanced diet it is necessary to take into account not only the number of calories contained in a food, but also other nutritional factors.
Below is a brief description of the macro- and micronutrients, as well as the functions they perform in the body.
, glycides, carbon hydrates, sugars) are ternary macronutrients (composed of carbon, hydrogen, oxygen) that are used by the body mainly as an energy fuel, they develop 3.75 kilocalories per gram (kcal / g).
