Dante Carrillo
A change in diet can help people with chronic kidney disease (CKD) stay healthy and slow down damage to their kidneys. A kidney-friendly eating plan can help prevent other serious health problems and control high blood pressure and diabetes, which can prevent kidney disease from worsening. People with CKD should eat foods with less phosphorus, potassium, sodium, and protein, and more whole grains, fruits, and vegetables. It is important to consult a dietitian to create a kidney-friendly eating plan that is tailored to individual needs and preferences.
| Characteristics | Values |
|---|---|
| Importance of diet change | Diet change is important to manage chronic kidney disease (CKD) and slow down the damage to kidneys |
| Dietitian | A dietitian can help create a kidney-friendly eating plan that includes foods you enjoy |
| Sodium | Sodium intake should be less than 2,300 milligrams per day |
| Fresh food | Fresh, frozen, or canned food with low sodium should be consumed |
| Processed food | Processed food, including packaged and fast food, should be avoided as it is high in sodium |
| Phosphorus | Phosphorus should be limited as it can cause bones to become thin and weak |
| Potassium | Potassium should be limited as it can build up in the blood and cause health issues |
| Protein | Moderate amounts of protein are recommended to prevent malnutrition |
| Calories | Calories are important to prevent weight loss and malnutrition |
| Fluids | Fluids may need to be limited based on urine output and fluid buildup in the body |
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What You'll Learn
The importance of consulting a dietitian
Chronic kidney disease (CKD) involves the progressive loss of kidney function. While treatment involves medication and medical management of underlying conditions, diet also plays a crucial role in slowing the disease process and reducing symptoms and complications. Consulting a dietitian is of utmost importance for those suffering from CKD.
Renal dietitians are experts in food and nutrition specifically for people with kidney disease. They are an important member of your care team and work closely with other members to help you be as healthy as possible. Renal dietitians see their patients regularly and get to know their food habits and preferences. They can work with you to create a meal plan that you will want to follow when at home or out and about. Sticking to the food, fluid, and nutrition plan developed by your dietitian is key to managing kidney disease and kidney failure. Renal dietitians provide education and monitor your levels to ensure what you consume is healthy for your body. They can also monitor your blood pressure and adjust your eating plans to control it.
Dietitians can recommend how to eat healthily for your stage of kidney disease, so you may be able to slow down or stop the progression to kidney failure. If you are on dialysis, your dietitian will recommend how much fluid you should consume each day to control fluid buildup in your blood between treatments. They can also help you lose weight before transplant surgery and recommend a low-sodium meal plan post-transplant to help control your blood pressure.
Additionally, dietitians can assess your diet history alongside your renal labs and provide a comprehensive nutritional assessment. They can provide nutritional diagnoses that can be billed to insurance and used for health insurance reimbursements. They can also support physicians by explaining medications more thoroughly to patients and providing education around certain nutrients and the medications prescribed.
It is important to remember that working with a dietitian is a partnership. You should feel comfortable discussing your dietary needs and preferences with them. Ask them about their experience with people with kidney disease and ensure you are making the most of your time together.
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Lowering sodium intake
To reduce sodium intake, it is advisable to limit the consumption of prepared foods, such as "fast" foods, frozen dinners, and canned foods, which tend to be high in sodium. Instead, cooking meals from scratch allows for better control over the ingredients used and the overall sodium content. This includes limiting the use of salt in cooking and opting for fresh, whole foods.
Additionally, it is important to read ingredient labels on food packages to identify and avoid items with high sodium content. Phosphorus, for example, is often added to packaged foods and can be listed as ingredients containing the word "PHOS". Deli meats, fresh meats, and poultry may also contain added phosphorus, so it is important to be mindful of these sources when making food choices.
For those with CKD, it is recommended to consult with a registered dietitian to develop a personalised meal plan. This plan can incorporate enjoyable foods while ensuring kidney health is maintained. Medicare and some private insurance plans may cover medical nutrition therapy (MNT), which involves working with a dietitian to create a tailored nutrition plan.
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Limiting potassium, phosphorus, and protein
For people with chronic kidney disease (CKD), limiting potassium, phosphorus, and protein in the diet is important to manage the disease and slow down damage to the kidneys.
Limiting Potassium
People with CKD should avoid foods high in potassium as the disease makes it harder for the body to remove potassium from the blood. Too little or too much potassium can cause heart and muscle problems. It is important to monitor potassium levels through regular blood tests. Potassium is often added to salt substitutes, and it is also found naturally in many foods.
Limiting Phosphorus
Phosphorus can build up in the blood of people with CKD because their kidneys are not able to remove it effectively. High phosphorus levels can lead to weak and brittle bones, itchy skin, and bone and joint pain. Phosphorus is added to many packaged and processed foods, and it is also found naturally in protein-rich foods. Working with a dietitian is essential to ensure adequate protein intake without excessive phosphorus consumption.
Limiting Protein
A low-protein diet is beneficial for people with CKD, especially those with proteinuria, as it slows the progression of kidney disease. Protein restriction also helps reduce the supply of phosphorus, which is directly linked to CKD progression and patient survival. However, a diet too low in protein can increase the risk of malnutrition, so a balance is necessary. People with CKD on dialysis may need to consume more protein as the treatment removes protein from the blood.
Overall, a kidney-friendly eating plan involves limiting certain foods and fluids to prevent the buildup of minerals like potassium, phosphorus, and protein, which can be harmful when not adequately processed by impaired kidneys. Working with a registered dietitian is crucial to developing a personalized meal plan that considers individual preferences, nutritional needs, and kidney health.
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Choosing healthy fats
While a change in diet can help manage chronic kidney disease, it is important to consult a dietitian to create a kidney-friendly eating plan that is right for you. This is because everyone is different and has different nutritional needs.
Fat is an important part of a healthy eating plan as it gives your body energy and helps control your cholesterol and blood pressure levels. It also helps your body absorb vitamins. However, too much fat or the wrong kinds of fat may cause a buildup in your blood vessels, heart, and kidneys. People with chronic kidney disease are at higher risk of heart disease and should limit their fat consumption.
To help keep fat from building up, choose monounsaturated and polyunsaturated fats, found in foods such as canola oil, corn oil, peanut oil, and safflower oil. These are healthy alternatives to saturated fats and trans fats, which can raise cholesterol levels and clog blood vessels. Saturated fats are found in animal products such as red meat, poultry, and butter, while trans fats are often found in baked goods, fried foods, and hydrogenated vegetable oils such as margarine.
When cooking, use non-stick cooking spray or a small amount of olive oil instead of butter. Trim fat from meat and remove the skin from poultry before eating. Try to limit saturated and trans fats.
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Eating whole grains and healthy carbs
Eating a healthy and well-balanced diet is crucial for managing chronic kidney disease (CKD). It can help you stay healthy and slow down the damage to your kidneys. A kidney-friendly eating plan includes foods that are easy on your kidneys and limits other foods and fluids to prevent a build-up of certain minerals in your body.
Whole grains and healthy carbs are an essential part of a kidney-friendly diet. In the past, whole grains were discouraged due to their higher potassium and phosphorus content. However, with the increased consumption of processed and packaged foods, dietitians are now changing their advice. Whole grains offer numerous benefits, including improved digestive health, lower cholesterol, and a decreased risk of heart disease, stroke, and cancer. They are a good source of fiber, which aids digestion and helps prevent constipation, a common issue for people with CKD.
When choosing whole grains, it is important to monitor your intake of potassium and phosphorus, especially if you have advanced CKD. Some whole grains, such as whole wheat bread, brown rice, and bran, have higher levels of these minerals. For example, a slice of whole wheat bread contains about 76 mg of phosphorus and 90 mg of potassium, while white bread contains approximately 32 mg of each. Similarly, brown rice has a higher phosphorus and potassium content than white rice. To manage your mineral intake, you can opt for controlled portions of brown rice or choose lower-phosphorus grains like bulgur, buckwheat, pearled barley, or couscous.
Healthy carbs, such as fruits and vegetables, are also recommended as part of a kidney-friendly diet. These foods provide essential vitamins, minerals, and fiber, which are beneficial for overall health and kidney function. However, it is important to note that some fruits and vegetables can be high in potassium, so monitoring your intake is crucial, especially for those with advanced CKD.
It is always advisable to work with a registered dietitian to develop a personalized meal plan that considers your kidney health, lab results, and individual preferences. They can guide you in choosing the right whole grains and healthy carbs, ensuring you get the proper balance of nutrients while managing your mineral intake.
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Frequently asked questions
A kidney-friendly diet includes foods that are easy on your kidneys and limits other foods and fluids so certain minerals in those foods, like potassium, do not build up to high levels in your body. It's important to eat a well-balanced diet with the right amounts of protein, calories, vitamins, and minerals each day.
Sodium (a part of salt) is added to many prepared or packaged foods. Cook foods from scratch instead of eating prepared foods, and always check the labels to see how much salt or sodium a product contains per serving. Avoid foods that list salt near the beginning of the ingredients and opt for products with less than 100 milligrams of salt per serving.
You should eat a moderate amount of protein. A dietitian can help you figure out the right combination and amount of protein to eat. A cooked portion of chicken, fish, or meat is about 2 to 3 ounces or about the size of a deck of cards.
It's important to limit your intake of unhealthy carbohydrates, such as sugar, honey, hard candies, and soft drinks. Choose whole grains and healthy carbs like fruits and vegetables instead. You may also need to limit your fluid intake if your kidney disease worsens.
