Inclusion Criteria:  Participant is willing and able to give informed consent for participation in the trial Male or Female, aged 18 years or above Participants who have an eGFR between 15 and 40 ml/min/1.73m2 Two consecutive measurements of serum bicarbonate of 14 to 22 mEq/L Systolic and diastolic blood pressure <160/100 mmHg Serum potassium <5.3 mmol/L Hemoglobin A1c below ≤ 11% Are registered in the nephrology clinic in Winnipeg or Halifax Participants are able to communicate in English and provide written informed consent  Exclusion Criteria:  Anuria, dialysis or acute kidney injury/acute kidney failure in the 3 months prior to screening Chronic obstructive pulmonary disease that requires the participant to be on oxygen New York Heart Association Class 3-4 Heart failure symptoms or heart, liver or renal transplant A myocardial infarction or stroke within the last 6 months Unable to consume study treatments or control, such as swallowing or GI issues Participants who have participated in another research trial involving an investigational product in the past 12 weeks Currently on potassium binding therapy Female participant who is pregnant or on lactating