CSP #2025 - Geriatric OUt-of-hospital Randomized MEal Trial in Heart Failure: Veterans Affairs (GOURMET-VA)

Inclusion Criteria: * Veterans enrolled in a VHA facility * Hospitalized (24 hours) with new heart failure (HF) or worsening chronic HF * Dentition, swallowing function, etc. sufficient to safely consume food and liquid of standard composition and texture (i.e., no pureed food, no thickened liquids needed) * Able and willing to provide informed consent and perform study activities Exclusion Criteria: * Food allergies or intolerances that cannot be accommodated by study diet * On dialysis or estimated glomerular filtration rate \<30 at randomization * Serum potassium (non-hemolyzed) \>6.0 mmol/L during index hospitalization * Heart transplant or active transplant listing * Left ventricular assist device present or anticipated \<6 months * Malignancy or other non-cardiac condition limiting life expectancy to \<12 months * Planned admission to a skilled nursing facility following hospital discharge, or discharge to other location/situation where Veteran does not have control over diet * Lack of space to store food for a week or equipment to prepare food * Severe cognitive impairment (SLUMS score \<20, or \<19 if less than high school education completed) * Severe food insecurity (5 or 6 points on the USDA 6-item Food Insecurity Screen) * Body mass index \>50 kilograms per meter squared (kg/m2) * Other medical, psychiatric, behavioral, or logistical condition which, in the clinical judgement of the site investigator, makes it unlikely the patient can effectively participate in or complete the study