Effects of Implementing a High Potassium Diet in Heart Failure Patients

Inclusion Criteria: * All patients classified as having HF, both systolic and diastolic. * New York Heart Association class II-III symptoms. * Treatment with an beta blocker, ACE inhibitor, or angiotensin receptor blocker without any adjustment over the previous month * Intake at baseline of ≤ 3 servings of fruits and vegetables per day. Servings defined by Health Canada's food guide. Exclusion Criteria: * Patients with an episode of decompensated heart failure, acute coronary syndrome, or revascularization within the previous 3 months of study inclusion. * Patients receiving insulin therapy * Glomerular filtration rate \< 40mL/min/1.73 m2 * Pregnancy and lactation (women of childbearing potential will be included but will have to have a negative pregnancy test prior to inclusion). * Inability to provide informed consent.