Table 1.

Set of prompts and the clinical guidelines used to compare answers for each question topic.

Question Topic	Set of Prompts	Clinical Guideline
Dyslipidemia	–Could you provide guidance on planning an optimal diet to manage hypercholesterolemia? –What are the dietary recommendations for hypercholesterolemia? –I have hypercholesterolemia, what should I eat? ----------------------------------- –Could you provide guidance on planning an optimal diet to manage hypertriglyceridemia? –What are the dietary recommendations for hypertriglyceridemia? –I have hypertriglyceridemia, what should I eat?	European Society of Cardiology (ESC) and the European Atherosclerosis Society (EAS)-Guidelines for the management of dyslipidaemias (2019) [19] American Heart Association (AHA) and American College of Cardiology (ACC)-Guideline on the Management of Blood Cholesterol: A Report of the American College of Cardiology/American Heart Association Task Force on Clinical Practice Guidelines (2018) [20]
Arterial hypertension	–Could you provide guidance on planning an optimal diet to manage hypertension? – What are the dietary recommendations for hypertension? –I have hypertriglyceridemia, what should I eat?	The European Society of Hypertension (ESH)-Guidelines for the management of arterial hypertension (2023) [21]. International Society of Hypertension (ISH)-Global Hypertension Practice Guidelines (2020) [22].
Obesity	–Could you provide guidance on planning an optimal diet to manage obesity? – What are the dietary recommendations for obesity? –I have obesity, what should I eat?	European Association for the Study of Obesity/EASO)-European Guidelines for Obesity Management in Adults (2015) [23]. Canadian Adult Obesity Clinical Practice Guidelines: Medical Nutrition Therapy (updated 2022) [24]
Type 2 Diabetes Mellitus (T2DM)	– Could you provide guidance on planning an optimal diet to manage type 2 diabetes mellitus? –What are the dietary recommendations for type diabetes mellitus? –I have type 2 diabetes mellitus, what should I eat?	American Diabetes Association (ADA)—Standard of care (2023) [25] The Diabetes and Nutrition Study Group (DNSG) of the European Association for the Study of Diabetes (EASD). Evidence-based European recommendations for the dietary management of diabetes (2023) [26]
Non-alcoholic fatty liver disease (NAFLD)	–Could you provide guidance on planning an optimal diet to manage NAFLD? – What are the dietary recommendations for NAFLD? –I have NAFLD, what should I eat?	American Association for the study for Liver Diseases (AASLD)-Practice Guidance on the clinical assessment and management of nonalcoholic fatty liver disease (2023) [27] ESPEN practical guideline: Clinical nutrition in liver disease (2020) [28]
Chronic kidney disease (CKD)	– Could you provide guidance on planning an optimal diet to manage chronic kidney disease? –What are the dietary recommendations for chronic kidney disease? –I have chronic kidney disease, what should I eat?	KDOQI-Clinical practice guideline for nutrition in CKD: 2020 update [29] Clinical practice guideline for the evaluation and management of chronic kidney disease-KDIGO 2023 [30]
Sarcopenia	–Could you provide guidance on planning an optimal diet to manage sarcopenia? – What are dietary recommendations for sarcopenia? –I have sarcopenia, what should I eat?	Protein intake and exercise for optimal muscle function with aging: Recommendations from the ESPEN Expert Group (2014) [31] International Clinical Practice Guidelines for Sarcopenia (ICFSR): Screening, Diagnosis and Management (2018) [32]

The most comprehensive answer for each question is reported in bold.