Journal
NUTRIENTS
Volume 13, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/nu13051442
Keywords
NAFLD; NASH; nutrition; diabetes; metabolic syndrome; cardiovascular disease; fructose; fatty acids; protein; Mediterranean diet
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NAFLD is the most common chronic liver disease worldwide, with its prevalence increasing in line with the global rise in diabetes and obesity. Currently, there is no effective pharmacotherapeutic treatment for NAFLD, so treatment is primarily based on lifestyle modifications such as diet and exercise. Unhealthy diets high in calories, sugars, and saturated fats, and low in polyunsaturated fatty acids, fiber, and micronutrients have been shown to play a critical role in the development and progression of NAFLD.
NAFLD is the world's most common chronic liver disease, and its increasing prevalence parallels the global rise in diabetes and obesity. It is characterised by fat accumulation in the liver evolving to non-alcoholic steatohepatitis (NASH), an inflammatory subtype that can lead to liver fibrosis and cirrhosis. Currently, there is no effective pharmacotherapeutic treatment for NAFLD. Treatment is therefore based on lifestyle modifications including changes to diet and exercise, although it is unclear what the most effective form of intervention is. The aim of this review, then, is to discuss the role of specific nutrients and the effects of different dietary interventions on NAFLD. It is well established that an unhealthy diet rich in calories, sugars, and saturated fats and low in polyunsaturated fatty acids, fibre, and micronutrients plays a critical role in the development and progression of this disease. However, few clinical trials have evaluated the effects of nutrition interventions on NAFLD. We, therefore, summarise what is currently known about the effects of macronutrients, foods, and dietary patterns on NAFLD prevention and treatment. Most current guidelines recommend low-calorie, plant-based diets, such as the Mediterranean diet, as the most effective dietary pattern to treat NAFLD. More clinical trials are required, however, to identify the best evidence-based dietary treatment approach.
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