2023-10-09 08:29:00
Verified on 09/10/2023 by Alexane Flament, Editor
If water is essential for the proper functioning of the body, does drinking a lot of it help you lose weight? We take stock!
At least 1.5 liters of water should be consumed per day, an amount which can increase depending on temperature, age or level of physical activity.
Headaches, sleep disorders, dryness of the skin, digestive problems, severe fatigue and even risk of cardiovascular and kidney diseases, lack of hydration, even slight, is not without consequences for health.
If water is therefore essential to ensure the functions of the body, does it also play a role in weight loss?
Water alone does not make you lose weight
Even though it is calorie-free, water itself does not help you lose weight. Indeed, contrary to popular belief, it has no real influence on the activity of metabolism.
If a study published in 2003 praised the effects of water on basic metabolism, specifying that it made it possible to increase energy expenditure at rest by 24% (the quantity of calories burned without doing anything), the effect is actually short-lived (no more than an hour).
According to the results of another study, only cold water would increase energy expenditure… by 4%. Ultimately, the effects have little impact on weight loss.
Although drinking a lot of water does not cause you to lose weight, it does help detoxify the body and fight against water retention. Indeed, good hydration promotes the elimination of metabolic waste, these toxins which accumulate in the body and impair the proper functioning of the body.
But it also helps fight against water retention, a phenomenon that occurs when the body stores water abnormally in fatty tissues and struggles to evacuate it, which causes an unpleasant feeling of heaviness.
Drinking water before a meal, an effective tip for losing weight?
Several scientists believe that drinking a large glass of water before meals promotes weight loss. The idea? It increases gastric volume and thus reduces appetite. A rather logical theory according to Duane Mellor, researcher at Aston Medical School (in England).
In an article published on the site The Conversationif he indeed considers that this assertion appears “sensible”it highlights certain limitations.
The main ? Water alone does not satisfy the feeling of satiety. Indeed, due to its shape, the stomach cannot store it, which is why it evacuates it quickly.
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