Introduction
A kidney disease diagnosis can lead to feeling overwhelmed by all the changes healthcare providers recommend. However, following the diet and other activity recommendations can help slow the disease progress while adding quality to your health and well-being. A renal, also called kidney, diet plays a crucial role in managing various kidney conditions by controlling the intake of certain nutrients that can strain the kidneys.
This diet can be followed by anyone diagnosed with chronic and acute kidney disease, high blood pressure, diabetes mellitus, polycystic kidney disease, and kidney transplant patients. According to the Centers for Disease Control, with kidney disease, the kidneys can’t filter blood as well as they should, and this can lead to other health problems like heart disease and stroke.
Let's delve into the specifics of this diet and its benefits.
Benefits of the Renal Diet
A well-planned renal diet offers several benefits for individuals with kidney issues. It helps maintain optimal levels of essential nutrients while reducing kidney strain. The key benefits include:
Managing Fluid Balance: The renal diet assists in maintaining a healthy fluid balance by controlling the amount of liquid intake, which is crucial for individuals with compromised kidney function.
Controlling Blood Pressure: Blood pressure control is vital when managing kidney disease. The kidney diet includes low-sodium (regular salt) foods that help manage blood pressure. Too much salt accumulates too much fluid/water, increasing blood pressure.
Minimizing Toxin Buildup: A kidney diet helps lower the amount of nutrients like potassium and phosphorus in the body that may worsen kidney disease.
Preserving Kidney Function: Following a renal diet can slow the progression of the disease, reduce complications, and improve well-being.
Best Foods for a Kidney Diet
A kidney diet typically comprises foods low in certain nutrients and supportive of overall kidney health. Here are some key components:
Food Category | Examples |
High-Quality Protein | - Skinless poultry (chicken, turkey) |
- Fish (salmon, tuna, cod) | |
- Eggs (whites preferred) | |
- Lean cuts of beef or pork | |
Low-Potassium Foods | - Apples |
- Berries (strawberries, blueberries) | |
- Cabbage | |
- Cauliflower | |
- Green beans | |
Phosphorus-Controlled | - Dairy alternatives (rice milk, almond milk) |
- Grains (white rice, white bread) | |
- Corn | |
- Green peas | |
Limited Sodium | - Fresh fruits and vegetables |
- Herbs and spices (parsley, basil) | |
- Unsalted nuts and seeds | |
- Homemade meals with minimal salt | |
Snacks | - Air-popped popcorn |
- Rice cakes | |
- Unsweetened applesauce | |
- Carrot sticks with hummus | |
- Greek yogurt with sliced fruit | |
- Hard-boiled eggs | |
- Rice crackers with low-sodium cheese | |
- Trail mix with unsalted nuts and dried fruit |
Foods to Limit or Avoid
Certain foods should be limited or avoided in a renal diet to prevent further kidney strain and minimize complications. These include:
High-Potassium Foods: Bananas, oranges, potatoes, and tomatoes are high in potassium.
Phosphorus-Rich Foods: Processed meats, cheese, nuts, and colas contain high phosphorus levels.
High-Sodium Foods: Processed and canned foods and condiments like soy sauce and ketchup should be restricted to maintain healthy blood pressure levels and minimize fluid retention.
Conclusion
In conclusion, the renal diet offers numerous benefits, such as fluid balance regulation, blood pressure control, and preservation of kidney function. It is advisable to take baby steps when making changes in eating habits. Try controlling protein intake and then moving to another group instead of trying to implement multiple changes simultaneously. This can help reduce the stress of managing a chronic disease and help make changes permanent.
References
Centers for Disease Control and Prevention. (2021, May 6). Live well with chronic kidney disease. Centers for Disease Control and Prevention. https://www.cdc.gov/kidneydisease/publications-resources/live-well-with-chronic-kidney-disease.html
Assessed and Endorsed by the MedReport Medical Review Board