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[Comment] Dietary guidelines on trial: the charges are not evidence based

Current nutrient guidelines recommend a wide acceptable range of total fat and carbohydrate intakes, emphasising quality and source rather than quantity of macronutrients, substantial restriction of free sugars, and usually restriction of saturated fat.1 Recent food-based dietary guidelines are based on similar recommendations.2 Wide dietary variation, including typical healthy dietary patterns, can be accommodated within such nutrient-based advice. And so criticisms of nutrition guidelines confuse both health professionals and the public, and provide justification for inaction by policy makers.