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Perdre du poids
grâce à une flore intestinale saine
S’il est une vérité absolue, c’est que nous sommes ce que nous mangeons. Cela ne tient pas seulement aux calories que nous apportons à notre organisme, mais également à la composition de notre flore intestinale, qui est considérablement influencée par la façon dont nous assimilons les aliments.
En effet, les bactéries qui colonisent nos intestins sont responsables de la manière dont nous digérons les aliments. Elles déterminent quelles vitamines nous synthétisons, la façon dont nous supportons le chou et digérons les lipides (graisses), et même l’efficacité avec laquelle nous assimilons les glucides. Ce sont donc elles qui régulent le nombre de calories que nous absorbons de notre alimentation.
Ainsi, il est tout à fait possible que des personnes ne perdent pas de poids, alors même qu’elles pratiquent beaucoup de sport et qu’elles ont réduit leurs apports.
Perdre du poids
grâce à une flore intestinale saine
S’il est une vérité absolue, c’est que nous sommes ce que nous mangeons. Cela ne tient pas seulement aux calories que nous apportons à notre organisme, mais également à la composition de notre flore intestinale, qui est considérablement influencée par la façon dont nous assimilons les aliments.
En effet, les bactéries qui colonisent nos intestins sont responsables de la manière dont nous digérons les aliments. Elles déterminent quelles vitamines nous synthétisons, la façon dont nous supportons le chou et digérons les lipides (graisses), et même l’efficacité avec laquelle nous assimilons les glucides. Ce sont donc elles qui régulent le nombre de calories que nous absorbons de notre alimentation.
Ainsi, il est tout à fait possible que des personnes ne perdent pas de poids, alors même qu’elles pratiquent beaucoup de sport et qu’elles ont réduit leurs apports.
If there is one absolute truth, it is that we are what we eat. This is not only because of the calories we bring to our bodies, but also because of the composition of our intestinal flora, which is greatly influenced by the way we assimilate food.
Indeed, the bacteria that colonize our intestines are responsible for the way we digest food. They determine which vitamins we synthesize, how we tolerate, for example, cabbage or other kind of food and digest lipids (fats), and even how efficiently we assimilate carbohydrates. So they regulate the number of calories we take in from our food.
For example, it is quite possible that some people do not lose weight even though they practice a lot of sport and they have reduced their calorie intake.
# BACTERIA
Why our intestinal bacteria could affect our weight?
Without the billions of bacteria in our intestine, we would not be able to digest our food because they perform various functions in our metabolism. Like humans, bacteria are among the most diligent specimens. And what used to be an advantage, is now proving to have unpleasant consequences for many people.
The main bacterial strain present today in Western Europe, known as Firmicutes, is in fact particularly involved in one area of our metabolism: the assimilation of lipids.
This does not simply mean that Firmicutes eliminate lipids from our intestines, but on the contrary, they absorb them very efficiently, which will disappoint many people. This usually involves the "storage" of fat, for example in the form of fat pads. This strategy was once advantageous for the very first people of Europe, who had to be able to survive the harshness of winter even without the heat of a mammoth skin or overcome long periods of hunger between one hunting trophy and another.
These days, however, we prefer to take in as few calories as possible from our food, as we would rather eat in quantity or lose weight. It would therefore be good for us, if there were fewer of these Firmicutes! Studies have shown that there are more Firmicutes than Bacteroidetes (the second most common strain of bacteria in Western Europe) in people with a tendency to be overweight.
#BACTEROIDETES
What are bacteroidetes and how they multiply?
Bacteroidetes are, in many parts of the world, the most widespread intestinal bacteria, but this is not the case in our latitudes, where Firmicutes dominate. Unlike Firmicutes, these bacteria do not assimilate lipids well.
Certainly, in the event of lack of food, people with fewer Bacteroidetes and more Firmicutes, which are able to assimilate lipids, do better. However, the environment in which we live today presents us with fewer challenges and people in the Western world live more in food abundance.
Europeans and North Americans generally have fewer Bacteroidetes in their intestine. It is interesting to ask whether this has a genetic origin, which would mean that we couldn't change this. However, studies have shown that the gut bacterial ratios of African-Americans are closer to those of other North Americans than to those of native African populations. Fortunately, this means that we can multiply our Bacteroidetes by changing our lifestyle and eating habits.
Furthermore, it appears that the diversity of our food bacteria also has an impact on our weight. Thus, people with a high diversity of bacteria have fewer problems with being overweight. Indeed, the more varied the bacteria, the more diversified their functions are and the more efficient our metabolism is.
#WEIGHT LOSS
How can I modify my intestinal flora to lose weight?
Firmicutes love sugar and fat. Unfortunately, this also means that when we have more Firmicutes in our intestine, we desire more that kind of food, which makes us fat. So the first step is to break this vicious circle.
This is often achieved through a low carbohydrate diet and food that Bacteroidetes love, such as endive, leek, chicory, millet, oats or unpeeled fruit.
To accompany this approach, which is sometimes difficult to implement, there are probiotic products that provide millions of Bacteroidetes capable of colonizing our intestine.
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