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CDs. A new study published in the Journal of the Academy of Nutrition and Dietetics of the United States showed that although drinking a small amount of caffeine at breakfast helps reduce food intake in the first meal of the Mexico. day, its effect is limited and transient, so experts do not support its use as an appetite suppressant or aids in weight loss.
The authors of this study found that after drinking a small amount of caffeine, participants consumed 10% less in a buffet breakfast provided by the researchers, but this effect did not occur. persisted throughout the day and had no impact on participants' perception of their appetite. Thus, they consider that caffeine is not effective as an appetite suppressant or as aids in weight loss.
"Caffeine is often added to dietary supplements by claiming that it suppresses appetite and facilitates weight loss." Previous research has speculated that caffeine speeds up metabolism or affects brain chemicals which suppress appetite, and epidemiological evidence suggests that regular users of caffeine have a lower body mass, "says Leah M. Panek-Shirley, senior researcher of the Department of Exercise and Health Sciences. The goal of our study was to determine whether caffeine could be related to a reduction in food intake or a lack of appetite and whether the results varied by BMI. "
On average, Americans drink 8 ounces of coffee a day (about 0.23 liters) 50 healthy adults (ages 18 to 50) visited the lab che che for one month to participate in the study
Each time they were asked to drink juice with caffeine equivalent to consuming four ounces (1 mg / kg) or eight ounces (3 mg / kg) of coffee, or no coffee as a placebo dose. 30 minutes later, participants were invited to eat as much or as little as they wanted from a hearty buffet breakfast.
The study determined that after drinking the juice with 1 kg / mg caffeine, participants consumed about 70 fewer calories than they consumed after drinking juice. with 3 mg / kg or without added caffeine.
After reviewing what the participants ate for the rest of each day of study, they found that the small decrease in intake did not persist. In fact, participants made up for the reduced intake at breakfast later in the day. In addition, there was no difference in reported appetite associated with caffeine doses. Finally, their individual BMI has no effect on their dietary intake or appetite in the three levels of caffeine.
"This study, because of its rigorous design, reinforces the importance of good eating habits and does not depend on help for weight loss or unhealthy practices," says Carol DeNysschen, the author of the study. one of the researchers, professor and chair of the Department of Health, Nutrition and Dietetics, SUNY Buffalo State College
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