The ketogenic diet is one of the more popular dietary models that has gained popularity due to its potential benefits such as glycaemic control, weight reduction and improved cognitive function. The basis of this diet is the restriction of carbohydrates in favour of fats to stimulate the production of ketone bodies as the main source of energy. However, the ketogenic diet is controversial for several reasons. Critics point to the risk of vitamin and mineral deficiencies, high levels of saturated fatty acids, low fibre levels, adverse environmental effects and monotony of meals.
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