As the proportion of the UK population who may be considered overweight or obese is increasing, questions about the impact of foods and food constituents upon appetite and satiety become increasingly important. Briefly reviews some of the literature on the effects of dietary fibre (or, more correctly, non‐starch polysaccharides) on satiety. A number of experimental approaches have been used to investigate this issue and, according to the mode of administration of dietary fibre used, a variable outcome on satiety has been demonstrated. However, the evidence overall is quite strongly in favour of an enhancement of satiety with dietary fibre. Unfortunately, clinical trials of the effects of dietary fibre have revealed only modest improvements in weight loss and further work is needed in order to target those individuals who demonstrate the greatest response.
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