Complete nutritional guide in dialysis
Nutrition – A Daily Form of Treatment for Struggling Kidneys
Dialysis is a delicate medical stage that involves replacing kidney function through external methods—hemodialysis or peritoneal dialysis. During this time, nutrition becomes more than necessary—it becomes a silent but essential treatment, designed to help the body eliminate toxins, maintain electrolyte balance, and support strength and vitality.
NUTRITION PLAN FOR PATIENTS WITH KIDNEY DISEASE/ON DIALYSIS
For a personalized nutrition plan created by Dr. Petrache, diabetologist and nutritionist, please email: clinica@diabet-si-nutritie.ro.
What is the purpose of nutrition during dialysis?
The goals are to:
- maintain fluid balance
- control sodium, potassium, and phosphorus levels
- support muscle mass
- ensure adequate calorie and protein intake
- prevent the buildup of toxins between dialysis sessions
The diet is not universal—it must be personalized based on dialysis type, lab results, weight, coexisting conditions, and food preferences.
Protein Intake – More Than in a Healthy Person
Unlike in non-dialysis kidney disease (where protein is limited), dialysis requires higher protein intake to prevent muscle loss and malnutrition: 1.2–1.4 g protein/kg body weight/day. Ideal sources:
- lean meat (chicken, turkey, beef)
- white fish and salmon
- eggs (limit yolks)
- tofu and tempeh (watch potassium)
- fresh cheese
- well-cooked lentils, chickpeas, and beans (adjusted for potassium)
Sodium – The Silent Enemy of Blood Pressure and Fluid Retention
Sodium increases thirst, raises blood pressure, and causes fluid buildup between dialysis sessions. Limit to max 1500 mg/day. Avoid:
- deli meats, instant soups, canned foods, ready meals, fast food
- pickled, smoked, and salty cheese products
- seasoning mixes and bouillon cubes
Use: herbs, garlic, pepper, thyme, basil, lemon, turmeric
Fluid Intake – Controlled but Not Eliminated
Depending on daily urine output, your doctor will set an exact fluid allowance. General rule: 500 ml plus daily urine output. Fluids include: water, tea, milk, yogurt, soup, ice cream. Avoid soda, sweet drinks, and alcohol. If you feel very thirsty, try:
- lemon-flavored ice cubes
- rinsing the mouth with cold water
- frozen fruit (in small portions)
Potassium Control – Protecting the Heart and Nerves
Too much potassium (hyperkalemia) can cause arrhythmias, muscle weakness, or even cardiac arrest. Avoid high-potassium foods:
- bananas, oranges, avocados, kiwi, dried fruit
- potatoes, tomatoes, spinach, vegetable juices, chocolate, nuts
Tip: Boil high-potassium vegetables twice and discard the first water to reduce potassium.
Phosphorus – Protecting Bones and Blood Vessels
Phosphorus builds up easily and can weaken bones, cause itching, and lead to vascular calcification. Limit:
- full-fat dairy
- aged cheeses
- organ meats, excessive eggs
- cola, beer, foods with additives (E338, E339, E340)
Doctors may prescribe phosphorus binders, taken with meals.
Carbohydrates – A Safe Source of Energy
If protein and fat intake is limited, complex carbs become the main energy source. Choose:
- white or brown rice
- plain pasta
- white or sourdough bread
- boiled corn, semolina, oats (if tolerated)
Fruits – In Moderation, Based on Potassium
Prefer: apples, pears, grapes, peeled peaches, baked apples.
Healthy Fats – For the Heart and Hormonal Balance
Choose unsaturated fats in moderate amounts:
- extra virgin olive oil
- avocado (monitor potassium)
- fatty fish 2x/week (salmon, mackerel)
- small portions of nuts or almonds (occasionally)
Avoid: margarine, fried foods, animal fats, heavy sauces.
Micronutrients to Monitor or Supplement
- Iron – dialysis patients often develop anemia and may need supplements
- Vitamin D – often decreases and may need special forms (calcitriol)
- Calcium – must be balanced with vitamin D and phosphorus
- B and C vitamins – can be lost during dialysis and may need targeted supplements
Sample Dialysis-Day Menu (Controlled Potassium & Sodium)
- Breakfast: egg white omelet with parsley, toast, apple slices
- Snack: unsalted crackers, a small slice of cantaloupe
- Lunch: baked turkey breast, white rice with carrots, raw cabbage salad with lemon
- Snack: plain yogurt with 2 tbsp cornflakes
- Dinner: clear strained vegetable soup, plain pasta with olive oil and parsley
- Bedtime: chamomile tea or cold lemon water
What to Completely Avoid
- fizzy drinks (especially cola)
- processed meats, fast food, snacks
- aged cheeses, commercial sauces, pickles
- chocolate, sugary or milk-based desserts
- phosphate or preservative additives (check labels: E340, E339, E541)
How to Make Eating Easier Every Day
- Cook in advance and freeze small portions
- Keep a food journal to track discomfort or reactions
- Weigh yourself daily to monitor water retention
- Eat slowly, mindfully, and stay aware of your body
- Ask for a personalized nutrition plan
NUTRITION PLAN FOR PATIENTS WITH KIDNEY DISEASE/ON DIALYSIS
For a personalized nutrition plan created by Dr. Petrache, diabetologist and nutritionist, please email: clinica@diabet-si-nutritie.ro.
Mindful Eating During Dialysis Is Not a Restriction, But a Quiet Form of Strength
Every carefully chosen food is an act of control, a step toward balance, a dose of stability in a process that often feels invasive or exhausting. Nutrition becomes a trustworthy partner—not demanding perfection, but offering consistency and respect for your body.
Eat to preserve your clarity, strength, and dignity. Take care of yourself—not just on dialysis days, but at every meal, in every choice. You deserve this support.
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