Chrononutrition

Diets are many and varied, there is something for everyone! Chronutrition is one of them. It proposes to be based on chronobiology, i.e. to adapt to the biological rhythm of individuals. We’ll tell you more about it.

Principles of chrononutrition

Note: Dr. Alain Delabos developed the concept of chrononutrition in 1986. It was taken up by Jean-Robert Rapin, a pharmaceutical researcher, in 1994.

The principles are as follows:

  • it is not the choice of food or the quantity of food that is important, but the time of day at which it is eaten;
  • priority is given to instinct;
  • are taken into account the subject’s appetite, morphology, living environment and activities.

According to the chrononutrition diet, it is recommended to eat according to enzyme and hormonal secretions, in order to metabolize proteins, fats and carbohydrates as well as possible:

  • the goal is to reduce the risk of storing what we eat;
  • for example, eating guy and protein when the body secretes lipases and proteases, or eating slow carbohydrates when amylases are secreted.

Note: in the evening, few digestive enzymes are secreted, and food assimilation is greatly slowed down.

Chronutrition: what foods to eat and when?

The chrononutrition diet consists first of all in establishing the morphotype of a person, by determining his or her measurements:

  • the weight;
  • the size;
  • the chest size;
  • the waist circumference;
  • hip circumference;
  • the width of the wrist.

Then, it is a question of proposing a diet, according to the person’s measurements. Thus the organization of a typical day is as follows:

  • Rich foods for breakfast:
    • bread, butter or olive oil, cheese, tea, herbal tea or coffee;
    • no juice.
  • Animal proteins and starchy foods at lunch:
    • meat, poultry, eggs, cold cuts, fish and starchy foods such as pasta;
    • no salad, cheese, dessert, wine or bread.
  • Natural sugars and oilseeds to taste it:
    • fresh fruit, dried fruit, fruit juices, jams, chocolates ;
    • peanut, olive or nut oils.
  • Light proteins to digest and vegetables in the evening:
    • fish or seafood
    • no soup.

Good to know: breakfast and lunch are mandatory, but dinner is not.

Chronutrition prohibits the consumption of certain foods, such as :

  • soups or soups;
  • sweet sauces;
  • low-fat foods ;
  • Dairy products other than cheese.

Note: it is tolerated to make one or two deviations during the week, for example by going to a restaurant.

Chronutrition diet: many drawbacks

One of the advantages of this diet is the large amount of protein to be consumed. This leads to a greater feeling of satiety.

But there are drawbacks. For example:

  • the diet is not very varied;
  • it is difficult to follow away from home, since food amounts are based on a person’s height ;
  • caloric intake is high, and weight loss is low;
  • high in fat, the diet may contribute to cardiovascular disease;
  • the fibre content is low;
  • As dairy products are not allowed (except cheese), there is a risk of vitamin D deficiency.

 

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