Dietitian perceptions of low-calorie sweeteners

Michelle Harricharan, Josephine Wills, Nathalie Metzger, Anne de Looy, Julie Barnett

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Background: Lowering energy (calorie) intake is essential in managing a healthy weight. One method of doing this is substituting sugar with low/no-calorie sweeteners. The safety of sweeteners has been debated, but little is known about how they are perceived by professionals responsible for weight management advice. We sought to explore dietitian perceptions of sweeteners and to identify the practical advice they provide about them. Methods: We collected data in France, Germany, Hungary, Portugal and the United Kingdom. We used face-to-face interviews and a novel online tool designed to engage people with online content in a way that approximates everyday processes of making sense of information. Results: We identified four approaches to sweeteners that dietitians took: (1) sweeteners should not be used, (2) they should be limited and used primarily as a transitional product, (3) sweetener use was decided by the client and (4) sweeteners should be recommended or at least allowed. Where dietitians are reticent to recommend sweeteners this is because they feel it is important for consumers to reduce their attachment to sweet tastes and of evidence linking the consumption of sweeteners to increased appetite. There is also uncertainty about the possible negative health effects of sweeteners. Conclusions: Dietitians’ perceptions about sweeteners are uncertain, ambivalent and divergent, sometimes explicitly being linked to fears about adverse health effects. Clear and authoritative guidance is required on scientific evidence around sweeteners as well as the ways in which they can be used in dietetic practice.
Original languageEnglish
Pages (from-to)472-476
Number of pages5
JournalEuropean Journal of Public Health
Issue number3
Early online date25 Oct 2014
Publication statusPublished - 1 May 2015


  • sweeteners, dietitian, perception, low calorie


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