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People with functioning kidneys need around 4,700 mg of potassium in their daily diet. However, people with chronic kidney disease (CKD) should consume much less â around 1,500 to 2,700 mg each day. If you have CKD, you should have your potassium checked once a month by your doctor. Theyâll do this with a simple blood test. The blood test will determine your monthly level of potassium millimoles per liter of blood (mmol/L).
Potassium and chronic kidney disease (CKD) Introduction Potassium is a mineral which helps your nerves and muscles work well. Normally, healthy kidneys will keep the right amount of potassium in your body. If your kidneys are not working well, the potassium level in your blood can be too high or too low.This can affect your heartbeat. A very high level of potassium can cause your heart to stop beating. Potassium comes from the foods and beverages we consume.ormally, healthy kidneys will keep the right amount of potassium in your body. If your kidneys are not working well, the potassium level in your blood can be too high or too low. This can affect your heartbeat. A very high level of potassium can cause your heart to stop beating.