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Medicina (B Aires). 2019;79(2):115-122.

Non-caloric sweeteners and body weight.

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School of Nutrition, Faculty of Medical Sciences, Pontificia Universidad Católica Argentina, Buenos Aires, Argentina. E-mail:


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Both total caloric intake and consumption of free sugars is higher than recommended. This situation contributes, among many other factors, to the increase of overweight and obesity in the population. To maintain the sweet taste of foods and beverages while reducing the caloric content and the amount of free sugars in said products, many people choose to replace sugary products in their diet for options containing noncaloric sweeteners. This change in their dietary choice is accompanied by an increasing number of consultations with health professionals about the effects that non-caloric sweeteners could have on their body weight. Results reported in different scientific publications seem contradictory in relation to this topic: some of them, showing a positive association between the consumption of non-caloric sweeteners and energy intake and body weight, while others reporting that the consumption of these additives -in replacement of sugar- may lead to a reduction in caloric intake and body weight. The main objective of this article is to review the available evidence on the consumption of non-caloric sweeteners in relation to body weight, thus providing another tool for health professionals to make nutritional recommendations based on the best available evidence.


; artificial sweeteners; body weight; non-caloric sweeteners

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