Table 2.

Inclusion and Exclusion Criteria.

Inclusion Criteria	Exclusion Criteria
Randomised Controlled trial or cohort study	Not original research (excluding reviews, case reports and practice guidelines)
Participants Aged ≥ 18 years old	Not a Human Study
Presence of NAFLD or MASLD *	Does not report primary and/or secondary outcomes
Participants with overweight or obesity	No Comparator Group (i.e., control or alternative dietary intervention)
Reported in English	Non-English language publication
Treated with a Low-Calorie Diet or Very-Low-Calorie Diet Intervention

* MASLD is a form of steatotic liver disease, which includes having hepatic steatosis on imaging or biopsy with at least one of the five cardiometabolic diagnostic criteria [2]: MASLD: Metabolic-dysfunction associated Steatotic Liver Disease, NAFLD: Non-Alcoholic Fatty Liver Disease.