Background/Objectives: Metabolic dysfunction-associated steatotic liver disease (MASLD) is a common chronic liver disorder linked to obesity, insulin resistance, and dyslipidemia. Nutrition plays a central role in modulating hepatic lipid metabolism, oxidative stress, and inflammation, yet practical, evidence-based dietary strategies remain limited. This study aimed to develop Mediterranean diet-based meal plans with varying macronutrient compositions and to characterize their nutritional profiles, as well as to evaluate them using established nutritional indices and diet score calculations, such as the Dietary Inflammatory Index, Dietary Antioxidant Index, and dietary lipid indices. Methods: Clinical practice guidelines (CPGs) from various academic and professional organizations were reviewed to assess current non-pharmacological treatments for MASLD, with a focus on determining whether the Mediterranean diet is the most recommended dietary pattern. Traditional, low-carbohydrate, and low-fat MedDiet patterns were translated into food-based meal plans. A 7-day meal plan was developed and analyzed for nutrient composition, then evaluated using the Dietary Inflammatory Index (DII), Dietary Antioxidant Index (DAI), Dietary Lipophilic Index (DLI), and Dietary Lipophilic Load (DLL). A Western diet (WD) that is characterized by ultra-processed food (UPF) was included as a comparative reference. Results: The validated dietary score calculations showed that all MedDiet patterns demonstrated consistently low DII scores (−2.00 to −2.81) and high DAI scores (3 to 20.03), whereas the WD showed high DII scores (5.0 to 6.09) and low DAI scores (−12.47 to −17.99). Despite these variations in macronutrients, the menu developed in the study on three MedDiet patterns showed negative DII and positive DAI scores. When comparing the traditional MedDiet with the WD, which have similar macronutrient distributions, the WD was characterized by less favorable DII and DAI scores. Conclusions: This study provides a descriptive, guideline-informed framework for Mediterranean diet-based meal plans with varying macronutrient compositions. Utilizing DII, DAI, DLI, and DLL offers a potential framework for designing dietary interventions. Further validation through clinical studies is needed to justify the potential for practical and digital translation. Nevertheless, the study provides initial insights that may inform future research on nutritional approaches for MASLD integrating dietary indices.
Bernardino et al. (Fri,) studied this question.
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