β οΈ Medical Disclaimer β Read First
This guide is an educational reference only. Every patient on dialysis is different. Laboratory values (potassium, phosphorus, albumin, BUN) change weekly. Always work with your nephrologist and renal dietitian before making dietary changes. Phosphate binders must be taken WITH meals as prescribed. Fluid allowances are individual β confirm yours with your care team.
π¨
Arterial Calcification: Phosphorus is Your #1 Priority
Calcium deposits in arteries worsen when phosphorus is poorly controlled. Keep phosphorus strictly under 1,000 mg/day. Avoid ALL foods with "phos" in the ingredient list (phosphate additives absorb 100% versus ~40β60% from natural food phosphorus). Never take calcium-based phosphate binders without physician direction.
β οΈ
Potassium & Missed Dialysis Sessions
High potassium (hyperkalemia) can cause fatal cardiac arrhythmias. Do not miss dialysis sessions. If a session is missed, immediately restrict potassium further (reduce by 25%) and contact your care team. This guide is written for 3x/week hemodialysis.
π§
Fluid Restriction Reminder
Most ESRD patients produce little to no urine. The typical fluid allowance is 32 oz (1 liter) per day plus whatever daily urine output you produce. All liquids count β soup broth, ice, gelatin, yogurt, pudding. Weigh yourself daily; gain of more than 2 lbs overnight = fluid overload.
π Your Daily Nutrient Targets
Based on a 70 kg (154 lb) dialysis patient β adjust with your dietitian based on your lab results and body weight.
π΄
< 2,000 mg
Potassium (KβΊ)
Per day β strictly
π£
< 1,000 mg
Phosphorus
Critical w/ art. calcification
π‘
< 2,000 mg
Sodium (NaβΊ)
Controls thirst & fluid gain
π§
32 oz + urine
Total Fluid
~1 liter + daily output
π₯©
84β98 g
Protein
1.2β1.4 g/kg (dialysis removes protein)
π₯
2,100β2,450
Calories (kcal)
30β35 kcal/kg/day
π¦΄
< 1,000 mg
Calcium
Careful w/ arterial calcification
π
Free
Carbohydrates
Choose white/refined; watch if diabetic
π΄ Potassium (KβΊ)1,680 mg / 2,000 mg (84%)
π£ Phosphorus850 mg / 1,000 mg (85%)
π‘ Sodium1,750 mg / 2,000 mg (88%)
π₯© Protein91 g / 91 g target (100%)
π§ Fluids28 oz / 32 oz (88%)
π Site Navigation
Use the cards below to jump to any section of this guide.
π¬ Why ESRD + Dialysis + Arterial Calcification Changes Everything
Pre-dialysis CKD diets restrict protein to slow kidney decline. On dialysis, the opposite is true β each hemodialysis session removes 10β15 g of amino acids from your blood. You need 1.2β1.4 g of protein per kg of body weight every single day to prevent muscle wasting (malnutrition), which is a leading cause of death in dialysis patients.
Think of protein as medicine β it is not optional.
When kidneys fail, phosphorus builds up in the blood. This triggers the body to release calcium from bones, leading to deposits in soft tissue and arteries β a condition called calciphylaxis or vascular calcification. These deposits stiffen arteries, raise blood pressure, and dramatically increase cardiac risk.
Every time you eat a high-phosphorus food without a binder, you are adding another calcium crystal to your artery walls. Control of phosphorus is life-or-death in this context.
Non-functioning kidneys cannot regulate fluid balance. Sodium makes you thirsty and retains water. Excess fluid accumulates in lungs (pulmonary edema) and around the heart, and stresses arterial calcification plaques. Low sodium = less thirst = less fluid = healthier heart.
Target: Use herbs, lemon juice, garlic, and vinegar for flavor. Never add table salt at the table. Read every label.
Potassium controls heart rhythm. Failed kidneys do not excrete potassium β it accumulates between dialysis sessions. Blood potassium above 6.0 mEq/L can cause sudden cardiac arrest. High-potassium foods eaten the night before dialysis can be especially dangerous.
Danger foods to always avoid: bananas, oranges, potatoes (unless leached), tomato paste/sauce, avocados, dried fruits, nuts in large quantities, salt substitutes (these are pure potassium chloride β never use them).
π
Dialysis Day vs. Non-Dialysis Day Eating
- Eat breakfast before going to dialysis β low potassium, low phosphorus, high protein.
- Pack a light snack for during/after treatment (apple slices, crackers, egg whites).
- Protein is especially important on dialysis days β you are losing amino acids during treatment.
- Limit fluid intake before your session to make treatment more comfortable.
- After dialysis you may feel tired or nauseous β have a simple, easy-to-eat protein meal ready (egg salad, poached chicken, soft tofu).
- Take phosphate binders with every meal and snack.
- Potassium accumulates β be stricter with potassium on days between dialysis sessions.
- Fluid accumulates β weigh yourself every morning; stay within your fluid allowance.
- Spread protein intake across all meals β don't skip meals.
- These are great days to meal prep for dialysis days when you'll have less energy.
- Continue phosphate binders with every meal and snack (phosphorus restriction never stops).
- If you feel well, mild activity (walking) is encouraged β it helps with cardiovascular health.
β οΈ The Hidden Phosphorus Danger: Food Additives
π¨
Inorganic phosphate additives absorb 100% into your blood. Natural food phosphorus absorbs only 40β60%. This means 200 mg of phosphorus from a chicken breast is less harmful than 200 mg from a chicken nugget with phosphate additives. Processed foods can double your phosphorus absorption.
β "PHOS" Ingredients β AVOID
- Disodium phosphate
- Trisodium phosphate
- Monocalcium phosphate
- Sodium tripolyphosphate (STPP)
- Phosphoric acid (dark colas)
- Calcium phosphate
- Potassium phosphate
- Pyrophosphate
β οΈ Common Processed Foods with Phosphate Additives
- Fast food chicken (nuggets, tenders)
- Processed deli meats / hot dogs
- Flavored/enhanced meats ("plumped")
- Dark colas (Pepsi, Coke, Dr Pepper)
- Instant mac & cheese
- Canned biscuits / frozen waffles
- Processed cheese slices
- Bottled iced teas
β
Better Choices (No Additives)
- Fresh chicken breast (no "enhanced")
- Fresh fish fillets
- Eggs / egg whites
- Fresh lean beef or pork tenderloin
- Plain white rice, pasta
- Ginger ale / lemon-lime soda (clear)
- Fresh/frozen fruits & vegetables (leached)
- Natural peanut butter (1 Tbsp limit)
π³ Best Cooking Methods for Dialysis Patients
Reduces potassium by 30β50%. Cut vegetables small. Soak in a large pot of warm water for 2+ hours, changing water twice. Boil in fresh water and drain β do NOT use the cooking liquid. Essential for any vegetable you want to eat more freely.
Best methods for chicken, fish, pork, and beef. No added sodium β season with garlic powder, herbs, lemon juice, pepper. Bake at 375Β°Fβ400Β°F. Preserves protein and avoids high-sodium marinades or sauces.
Quick, high-heat cooking preserves texture. Use olive oil or canola oil. Avoid soy sauce (high sodium) β use low-sodium soy sauce sparingly (1 tsp max) or substitute with a splash of rice vinegar + garlic. Load up on leached low-potassium vegetables.
Important: Potassium leaches into broth β do NOT consume soup liquid unless it is made with very low-potassium vegetables. Eat only the solids. Use homemade no-salt broth or very low-sodium (under 140 mg/serving) store-bought broth.
Best for low-potassium vegetables: cucumber, cabbage, bell pepper, lettuce, cauliflower. Dressing: olive oil + lemon juice + herbs. Avoid tomatoes in large amounts. Skip commercial dressings (high sodium) β make your own.
Egg whites are one of the best protein sources for dialysis patients β high protein, very low phosphorus, low potassium, no sodium. Use 4β5 egg whites per serving. Avoid whole eggs daily (yolk is high phosphorus). Cook in non-stick pan with minimal oil.
β‘ Quick Reference: Always / Sometimes / Never
β
ALWAYS SAFE (Daily)
- Egg whites (4β5 per serving)
- White rice, white pasta, white bread
- Cucumber, cabbage, cauliflower
- Apple (1 medium), blueberries (Β½ cup)
- Green beans, asparagus
- Chicken or turkey breast (3β4 oz)
- White fish β tilapia, cod, flounder (3 oz)
- Olive oil, butter (small amounts)
- Garlic, onion, herbs, lemon juice
- Bell peppers (ΒΌ cup)
- Cream of wheat, white rice porridge
- Cranberry juice cocktail (4 oz)
β οΈ SOMETIMES OK (Limit / Small Portions)
- Lean red meat (2β3 oz, 2x/week)
- Canned tuna/salmon β rinse & drain first
- Small amount of cheese (1 oz, not daily)
- Milk (4 oz max, count toward fluid)
- Whole egg (max 1/day β yolk)
- Peanut butter (1 Tbsp β small portion)
- Canned vegetables β rinse & drain well
- Grapes (Β½ cup), pineapple (Β½ cup)
- Broccoli (leached, Β½ cup)
- Oatmeal (ΒΌ cup dry β moderate phos)
- Salmon (3 oz, 1β2x/week)
- Low-sodium crackers (5β6)
β NEVER / AVOID COMPLETELY
- Bananas, oranges, orange juice
- Potatoes (unless leached 2+ hours)
- Tomato sauce / tomato paste
- Avocado
- Salt substitutes (potassium chloride)
- Nuts & seeds (large portions)
- Dark colas (phosphoric acid)
- Processed/deli meats with phosphates
- Dairy in large amounts (milk, yogurt, cheese)
- Dried fruits (raisins, prunes, apricots)
- Beans, lentils, peas (high potassium & phos)
- Bran cereals, whole wheat products
- Chocolate, nuts, seeds
- Supplements (Vitamin D, calcium β unless Rx)
- Sports drinks (Gatorade, Powerade)
- Coconut water
π Medications, Binders & Supplements
How to Take Binders
- Take with every meal AND every snack β even a small one
- Binders work by binding phosphorus in your food before it absorbs β they do not work after the fact
- If you forget, call your care team β do not double dose
- Ask about non-calcium-based binders (sevelamer/Renvela, lanthanum/Fosrenol) β preferred for arterial calcification
Supplements to AVOID (Unless Prescribed)
- β Calcium supplements β worsens arterial calcification
- β Vitamin D supplements (check with nephrologist β may be prescribed as special form)
- β Potassium supplements
- β Magnesium supplements (cannot excrete excess)
- β Iron supplements β only if prescribed for dialysis-related anemia
- β Herbal supplements β many contain potassium or interfere with medications
π§βπ³ Meal Prep Strategy for the Week
Sunday Prep Session (1β2 hours)
- Cook a large batch of white rice (store in fridge 4β5 days)
- Grill or bake 4β5 chicken breasts β portion into 3β4 oz servings, refrigerate
- Hard-boil 6 eggs β remove yolks, store whites in container
- Leach vegetables for the week (cabbage, cauliflower, green beans)
- Chop and store bell peppers, cucumber, onion
- Prepare a batch of cauliflower mash β refrigerates well 3β4 days
Label & Track Everything
- Label containers with date and portion size
- Keep a daily food diary with potassium and phosphorus totals
- Weigh portions on a kitchen scale β visual estimation is unreliable
- Prepare dialysis-day snack bags ahead of time
- Always have egg whites and white bread on hand for quick protein meals
- Freeze pre-portioned fish fillets for easy weeknight dinners