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“Renal” is simply a fancy word for “kidney”. In the medical world, kidney has many different names including “renal” and “neph”. For example, the formal title for your kidney doctor is a “nephrologist”. So, a renal diet is a diet that is good for kidneys. There is no single renal diet that is right for everyone. A healthy renal diet for you is very dependent on what kind of kidney disease you have, what your kidney function is, and what your other labs look like. |
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For all stages of kidney disease, sodium should be limited to 1,500-2,300mg per day on a renal diet. This helps control blood pressure (which is key to preventing more kidney damage!) and swelling. |
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In CKD stage 1-3a (or, a GFR of 45ml/min or more), a healthy renal diet is moderately low in protein. Most people should aim for 0.8 grams of protein per kilogram body weight (.36 per lb.) per day in these early stages. This is plenty of protein to maintain or build muscle!
If CKD progresses to stages 3b-5 (or, a GFR less than 45ml/min), protein recommendations go down. For this stage, the National Kidney Foundation recommends a protein intake between 0.55-0.6 g/kg body weight.
Of note, people who have both diabetes and CKD should not limit protein this much. Aim for 0.8 g/kg body weight if you have diabetes.
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Potassium is a mineral involved in how muscles work. When kidneys do not function properly, potassium builds up in the blood. This can cause changes in how the heart beats, possibly even leading to a heart attack. Potassium is found mainly in fruits and vegetables, milk and meats. You will need to avoid certain ones and limit the amount of others. Potassium restricted diets keep their potassium intake below 2,000 mg per day. |
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The "Nutritional Database" menu option is a good starting point to select your daily foods or to add more foods to the database for future reference. When a food is selected, it is transferred to the window below where it is listed and totaled.You can also save the selected items as a meal for quick access. |
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