Chronic kidney disease (CKD) is a complex condition, but the good news is that there are proven, actionable steps you can take to protect your kidney function and improve your overall health. These steps, or “kidney health levers,” are the most impactful lifestyle and dietary changes you can make to slow CKD progression and improve your quality of life.
Although not all of them apply to you, this guide will walk you through 15 essential kidney health levers and ways to apply them effectively.
1. Increase Water Intake
Hydration is crucial for kidney health because it helps flush out toxins and prevents kidney stones. However, fluid needs vary depending on kidney function, medications, and other health conditions.
Action Tip:
- Unless you have fluid restrictions, aim for 1/2 fluid ounce of water per pound of body weight daily, adjusting based on your doctor’s advice.
- Monitor urine color—light yellow is ideal, while dark urine may signal dehydration.
2. Ensure Adequate Calorie Intake
Many CKD patients struggle with weight loss due to food fears. However, not eating enough can lead to muscle breakdown and malnutrition.
Action Tip:
- Include healthy fats (olive oil, avocado, nuts) and calorie-dense plant-based foods like beans and whole grains.
- If you have a poor appetite, eat small, frequent meals rather than large portions.
3. Decrease Sodium Intake
Excess sodium leads to high blood pressure and fluid retention, worsening kidney damage. Most processed foods contain hidden sodium, making label reading essential.
Action Tip:
- Limit sodium intake to 1,500–2,000 mg per day.
- Eat real food. Choose fresh ingredients and season with herbs, garlic, or lemon juice instead of salt.
4. Avoid Ultra-Processed Foods
Ultra-processed foods are loaded with preservatives, artificial ingredients, high sodium content, and phosphate additives. These can accelerate CKD progression and increase inflammation.
Action Tip:
- Swap out instant meals, fast food, and packaged snacks for whole foods like fresh fruits, vegetables, and home-cooked meals.
More about ultra-processed foods here!
5. Decrease Phosphorus Intake
Excess phosphorus is harmful to kidneys because it weakens bones and increases cardiovascular risk. Hidden phosphorus is common in processed foods and additives.
Action Tip:
- Check labels for “PHOS” ingredients (e.g., disodium phosphate).
- Choose fresh, unprocessed foods over packaged options.
6. Increase Plant Intake
A plant-forward diet supports kidney health by reducing acid load, inflammation, and protein waste buildup.
Action Tip:
- Include a variety of plant-based foods (fruits, vegetables, whole grains, nuts, seeds, and legumes).
- Adjust potassium intake based on your lab results.
7. Decrease Protein Intake
Excess protein can strain the kidneys by producing more waste. However, protein needs vary based on CKD stage.
Action Tip:
- Focus on plant-based proteins (lentils, tofu, beans) and lean animal proteins (fish, eggs, poultry) in moderation.
- Working with a dietitian like me to tailor protein intake to your CKD stage is a wise move. This is an area that’s important to get right.
8. Control Blood Pressure
High blood pressure is one of the biggest risk factors for CKD progression.
Action Tip:
- Reduce sodium intake, stay active, and manage stress.
- Monitor BP regularly and follow medication/dietary adjustments from your doctor.
9. Control Blood Glucose
Diabetes is a leading cause of CKD. Keeping blood sugar levels stable protects kidney function.
Action Tip:
- Balance carbs with fiber and protein.
- Avoid sugary drinks and refined carbs.
- Monitor blood sugar and adjust your diet accordingly.
10. Resolve Constipation
Chronic constipation can increase toxin buildup in the body, stressing the kidneys.
Action Tip:
- Increase fiber intake (vegetables, flaxseeds, whole grains).
- Stay hydrated and stay active.
- Use kidney-safe laxatives if needed (as advised by your doctor).
11. Resolve Diarrhea
Frequent diarrhea can lead to dehydration and nutrient loss, worsening CKD symptoms.
Action Tip:
- Identify and eliminate trigger foods (e.g., lactose, high-fat foods, artificial sweeteners).
- Consume low-fiber binding foods (white rice, bananas, applesauce, toast).
12. Eat the Right Amount of Potassium
Potassium is essential for muscle and nerve function, but too much or too little can be dangerous for CKD patients.
Action Tip:
- Check potassium levels in your bloodwork.
- If high, limit high potassium foods.
- If low, include more potassium-rich plant foods.
13. Improve Anemia
CKD often leads to low red blood cell counts (anemia), causing fatigue, weakness, and shortness of breath.
Action Tip:
- Include iron-rich foods (leafy greens, beans, fortified cereals).
- Ask your doctor about iron supplements or injections if needed.
14. Improve Micronutrient Status
Many CKD patients lack key vitamins and minerals, affecting energy levels and immune function.
Action Tip:
- Focus on whole foods rich in essential nutrients.
- Work with a dietitian like me to check for deficiencies.
15. Reduce BMI (If Overweight)
Excess weight increases inflammation, insulin resistance, and blood pressure, all of which worsen CKD.
Action Tip:
- Follow a balanced, calorie-appropriate diet.
- Engage in gentle physical activity (walking, yoga, strength training).
The Bottom Line: Small Changes, Big Impact
Each of these kidney health levers plays a critical role in preserving kidney function and improving overall well-being. Even small, consistent changes in your diet and lifestyle can lead to meaningful results.
If you’re looking for a structured, step-by-step approach to managing CKD, check out my Kidney Health Clarity Program, where I guide you through meal planning, lab monitoring, and personalized kidney-friendly nutrition strategies.
👉 Book a call today to learn more!
Your kidneys deserve the best care—start taking action today!
Thanks very nice blog!
I’m glad you benefitted from it.
Thank you it really has helped me.
I’m so glad, Gloria! Thank you for letting me know.
Very interesting article
Hi Nancy, Thanks for commenting. I hope you found it helpful!