Evidence for Potassium Restriction in Hemodialysis

Inclusion Criteria: * ≥18 years or older * Receiving hemodialysis 3 times/week for ≥ 3 months * Has at least two pre-dialysis serum potassium levels ≥5.2 mmol/L on any analysis in the past 3 months OR the most recent pre-dialysis serum potassium value ≥ 4.6 mmol/L and is currently prescribed a potassium-binding agent at a regular frequency (defined as ≥ once per week). * Can speak and understand French or English * Has not missed more than 1 dialysis session in the previous 3 months. * Is capable of providing informed consent. Exclusion Criteria: * Is not expected to survive beyond 6 months * Does not control their dietary intake (e.g., residents of high-dependency nursing homes) * Significant cognitive impairment precluding understanding of the dietary recommendations.