Dietary Database

Kidney-Friendly Food Directory

Browse over 300 foods clinically evaluated for kidney safety. Each entry details potassium, phosphorus, sodium, and suitability across CKD stages 1 through 5.

Interactive Tool: Want to filter nutrients with instant sliders? Visit our Kidney Food Search Tool or build daily meal menus with our CKD Meal Planner.
Showing all 302 foods
Kidney-Friendly Use Caution Limit or Avoid

Acorn Squash

Vegetables · 1 cup cubed (140g)
Use Caution
Potassium 486 mg
Phosphorus 46 mg
Sodium 5 mg

High potassium winter squash. Limit portions in CKD.

Alfalfa Sprouts

Vegetables · 1 cup (33g)
Kidney-Friendly
Potassium 26 mg
Phosphorus 23 mg
Sodium 2 mg

Very low in potassium and sodium. Perfect for topping sandwiches and wraps with fresh crunch.

Almond Milk (Unsweetened)

Dairy · 1 cup (240ml)
Kidney-Friendly
Potassium 160 mg
Phosphorus 20 mg
Sodium 150 mg

Great dairy alternative. Much lower in phosphorus and potassium than cow's milk.

Almonds

Snacks · 1 oz (28g)
Use Caution
Potassium 200 mg
Phosphorus 136 mg
Sodium 0 mg

High phosphorus. Small portions only. Phosphorus from nuts is less absorbed than from additives.

American Cheese (Processed Single)

Dairy · 1 slice (21g)
Limit Intake
Potassium 50 mg
Phosphorus 210 mg
Sodium 290 mg

Contains synthetic inorganic phosphate salts (sodium phosphate). Unlike natural phosphorus, your gut absorbs nearly 100% of inorganic phosphate additives.

Animal Crackers

Snacks · 15 crackers (30g)
Kidney-Friendly
Potassium 30 mg
Phosphorus 20 mg
Sodium 120 mg

Low potassium and phosphorus. Decent snack option.

Apple

Fruits · 1 medium (182g)
Kidney-Friendly
Potassium 195 mg
Phosphorus 20 mg
Sodium 2 mg

Excellent kidney-friendly fruit. Low in potassium and phosphorus.

Apple Cider Vinegar

Condiments · 1 tbsp (15mL)
Kidney-Friendly
Potassium 11 mg
Phosphorus 1 mg
Sodium 1 mg

Clean, sodium-free culinary acid. Brightens roasted vegetables and salad dressings without adding sodium or potassium.

Apple Juice

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 250 mg
Phosphorus 17 mg
Sodium 7 mg

Good lower-potassium juice option. Better than orange juice for CKD.

Applesauce

Snacks · 1/2 cup (122g)
Kidney-Friendly
Potassium 91 mg
Phosphorus 7 mg
Sodium 4 mg

Low potassium fruit option. Good for snacking.

Artichoke

Vegetables · 1 medium (120g)
Use Caution
Potassium 343 mg
Phosphorus 87 mg
Sodium 72 mg

Higher potassium and phosphorus. Enjoy occasionally in small amounts.

Arugula (Raw)

Vegetables · 1 cup (20g)
Kidney-Friendly
Potassium 74 mg
Phosphorus 10 mg
Sodium 5 mg

An ideal peppery green for kidney disease. Unlike cooked spinach, raw arugula provides high flavor and crisp texture with virtually no potassium or oxalates.

Asparagus

Vegetables · 6 spears (90g)
Kidney-Friendly
Potassium 183 mg
Phosphorus 47 mg
Sodium 2 mg

A good vegetable choice for kidney health. Moderate nutrients.

Avocado

Fruits · 1/2 medium (68g)
Limit Intake
Potassium 345 mg
Phosphorus 36 mg
Sodium 5 mg

Very high in potassium. Limit or avoid in CKD stages 3-5.

Bacon

Proteins · 2 slices (16g)
Limit Intake
Potassium 45 mg
Phosphorus 48 mg
Sodium 274 mg

Very high sodium. Also high in saturated fat. Limit or avoid.

Bagel

Grains · 1 medium (89g)
Use Caution
Potassium 72 mg
Phosphorus 60 mg
Sodium 360 mg

Higher in sodium. Smaller portions or half a bagel is better.

Bamboo Shoots (Canned, Drained)

Vegetables · 1/2 cup (66g)
Kidney-Friendly
Potassium 53 mg
Phosphorus 14 mg
Sodium 5 mg

Canned and rinsed bamboo shoots have very low mineral counts, making them a safe crunchy addition to stir-fry dishes.

Banana

Fruits · 1 medium (118g)
Limit Intake
Potassium 422 mg
Phosphorus 26 mg
Sodium 1 mg

Very high in potassium. Try half a banana or swap for apples, berries, or grapes.

Barbecue Sauce

Condiments · 2 tbsp (36g)
Use Caution
Potassium 54 mg
Phosphorus 7 mg
Sodium 350 mg

Very high sodium. Use sparingly. Look for low-sodium varieties.

Basil (Fresh)

Condiments · 2 tbsp chopped (5g)
Kidney-Friendly
Potassium 15 mg
Phosphorus 3 mg
Sodium 0 mg

Fresh herbs add flavor without sodium. Use liberally.

Beef Sirloin (Cooked, Trimmed)

Proteins · 3 oz (85g)
Use Caution
Potassium 310 mg
Phosphorus 190 mg
Sodium 55 mg

Lean red meat with minimal sodium. Keep portions to 3 ounces to avoid excessive nitrogenous waste accumulation in non-dialysis CKD.

Beer

Beverages · 12 oz (355ml)
Use Caution
Potassium 96 mg
Phosphorus 50 mg
Sodium 14 mg

Contains potassium and phosphorus. Alcohol should be limited with CKD. Ask your doctor.

Beet Greens (Cooked)

Vegetables · 1/2 cup boiled (72g)
Limit Intake
Potassium 654 mg
Phosphorus 37 mg
Sodium 174 mg

Extremely high in potassium and oxalates. Even with thorough boiling, potassium remains too concentrated for moderate to advanced kidney disease.

Beets

Vegetables · 1 cup sliced (136g)
Limit Intake
Potassium 442 mg
Phosphorus 54 mg
Sodium 106 mg

High in potassium and oxalates. Limit or avoid with kidney stones.

Bell Pepper (Red)

Vegetables · 1 medium (119g)
Kidney-Friendly
Potassium 251 mg
Phosphorus 31 mg
Sodium 5 mg

Excellent choice. High in vitamins A and C, low in potassium.

Black Beans

Proteins · 1/2 cup cooked (86g)
Use Caution
Potassium 305 mg
Phosphorus 120 mg
Sodium 1 mg

Higher potassium. Drain and rinse canned beans to reduce sodium and potassium.

Black Eyed Peas (Cooked)

Proteins · 1/2 cup (85g)
Use Caution
Potassium 239 mg
Phosphorus 104 mg
Sodium 4 mg

Noticeably lower in potassium than black beans and navy beans, making black eyed peas one of the more kidney-friendly legumes.

Black Olives (Canned)

Vegetables · 5 large (22g)
Use Caution
Potassium 2 mg
Phosphorus 1 mg
Sodium 162 mg

Minimal potassium, but the canning brine adds notable sodium. Limit to 2 or 3 olives as an occasional garnish.

Black Pepper (Ground)

Condiments · 1/2 tsp (1.1g)
Kidney-Friendly
Potassium 15 mg
Phosphorus 2 mg
Sodium 0 mg

The everyday seasoning staple for kidney kitchens. Zero sodium and only trace potassium make black pepper safe on any dish.

Black Tea (Brewed)

Beverages · 1 cup (240mL)
Kidney-Friendly
Potassium 88 mg
Phosphorus 2 mg
Sodium 7 mg

Low in minerals. Contains natural oxalates, so individuals with calcium oxalate kidney stones should drink in moderation.

Blackberries

Fruits · 1 cup (144g)
Kidney-Friendly
Potassium 233 mg
Phosphorus 32 mg
Sodium 1 mg

Exceptional berry choice for kidney patients. High in dietary fiber, polyphenols, and vitamin C, with low sodium and very gentle mineral loads.

Blueberries

Fruits · 1 cup (148g)
Kidney-Friendly
Potassium 114 mg
Phosphorus 18 mg
Sodium 1 mg

Excellent choice. Low potassium, rich in antioxidants.

Bok Choy

Vegetables · 1 cup shredded (70g)
Kidney-Friendly
Potassium 176 mg
Phosphorus 26 mg
Sodium 46 mg

Low calorie, low potassium Asian vegetable. Good for stir-fries.

Bone Broth (Commercial)

Condiments · 1 cup (240mL)
Limit Intake
Potassium 250 mg
Phosphorus 140 mg
Sodium 350 mg

Long simmering extracts high concentrations of bone phosphorus, potassium, and sodium. Easily overwhelms restricted kidney diets if consumed frequently.

Brie Cheese

Dairy · 1 oz (28g)
Kidney-Friendly
Potassium 43 mg
Phosphorus 53 mg
Sodium 178 mg

Soft ripened cheese with remarkably low phosphorus (only 53mg per ounce). Enjoyable in moderation across all CKD stages.

Broccoli

Vegetables · 1 cup chopped (91g)
Kidney-Friendly
Potassium 288 mg
Phosphorus 60 mg
Sodium 30 mg

Nutritious choice when portion-controlled. Cook to reduce potassium.

Brown Rice

Grains · 1 cup cooked (195g)
Use Caution
Potassium 154 mg
Phosphorus 162 mg
Sodium 10 mg

Higher in phosphorus and potassium than white rice. White rice is preferred for CKD.

Brussels Sprouts

Vegetables · 1 cup (88g)
Use Caution
Potassium 342 mg
Phosphorus 60 mg
Sodium 22 mg

Moderate-high potassium. Limit portions in advanced CKD.

Buckwheat Groats (Kasha, Cooked)

Grains · 1/2 cup (84g)
Kidney-Friendly
Potassium 74 mg
Phosphorus 59 mg
Sodium 2 mg

Naturally gluten-free grain alternative with far less potassium and phosphorus than brown rice or quinoa. Highly recommended for renal diets.

Bulgur (Cooked)

Grains · 1/2 cup (91g)
Kidney-Friendly
Potassium 62 mg
Phosphorus 36 mg
Sodium 5 mg

Quick-cooking whole wheat with surprisingly low potassium and phosphorus. A safe grain choice across all CKD stages.

Butter

Dairy · 1 tbsp (14g)
Kidney-Friendly
Potassium 3 mg
Phosphorus 3 mg
Sodium 91 mg

Very low in potassium and phosphorus. Use unsalted butter for lower sodium.

Butternut Squash

Vegetables · 1 cup cubed (140g)
Use Caution
Potassium 493 mg
Phosphorus 40 mg
Sodium 6 mg

Higher potassium. Small portions OK. Cooking and draining helps reduce.

Cabbage

Vegetables · 1 cup shredded (89g)
Kidney-Friendly
Potassium 151 mg
Phosphorus 23 mg
Sodium 16 mg

Very kidney-friendly. Low in potassium, phosphorus, and sodium.

Canned Peaches (in Juice, Drained)

Fruits · 1/2 cup (126g)
Kidney-Friendly
Potassium 118 mg
Phosphorus 15 mg
Sodium 6 mg

The canning and draining process leaches out significant potassium, making drained canned peaches lower in potassium than fresh peaches.

Canned Pears (in Juice, Drained)

Fruits · 1/2 cup (128g)
Kidney-Friendly
Potassium 85 mg
Phosphorus 10 mg
Sodium 5 mg

One of the lowest-potassium fruit choices available. Always pour off the liquid syrup to discard extra sugar and leached minerals.

Canned Salmon (No Salt Added)

Proteins · 3 oz (85g)
Use Caution
Potassium 280 mg
Phosphorus 215 mg
Sodium 65 mg

Convenient pantry protein. If soft canned bones are present, removing them reduces the phosphorus content significantly.

Cannellini Beans (White Beans, Cooked)

Proteins · 1/2 cup (88g)
Use Caution
Potassium 502 mg
Phosphorus 101 mg
Sodium 3 mg

Rich in potassium. Boiling dry beans and discarding the cooking water removes a substantial fraction of both potassium and phytate phosphorus.

Cantaloupe

Fruits · 1 cup diced (160g)
Limit Intake
Potassium 427 mg
Phosphorus 24 mg
Sodium 26 mg

High potassium melon. Choose watermelon or honeydew instead.

Carrots

Vegetables · 1 cup chopped (128g)
Use Caution
Potassium 410 mg
Phosphorus 45 mg
Sodium 88 mg

Moderate-high potassium. Cooking and draining reduces potassium.

Cashew Milk (Unsweetened)

Dairy · 1 cup (240mL)
Kidney-Friendly
Potassium 160 mg
Phosphorus 20 mg
Sodium 160 mg

Creamy low-mineral plant milk. Select carton varieties that do not list dipotassium phosphate or calcium phosphate in the ingredients.

Cashews

Snacks · 1 oz (28g)
Use Caution
Potassium 175 mg
Phosphorus 139 mg
Sodium 3 mg

Higher phosphorus. Choose unsalted. Small portions only.

Cauliflower

Vegetables · 1 cup (107g)
Kidney-Friendly
Potassium 176 mg
Phosphorus 44 mg
Sodium 32 mg

Great kidney-friendly vegetable. Low potassium. Versatile substitute for potatoes.

Celery

Vegetables · 2 stalks (101g)
Kidney-Friendly
Potassium 263 mg
Phosphorus 24 mg
Sodium 81 mg

Good for snacking. Watch sodium if on a sodium-restricted diet.

Cheddar Cheese

Dairy · 1 oz (28g)
Use Caution
Potassium 28 mg
Phosphorus 145 mg
Sodium 176 mg

High phosphorus and sodium. Limit to small amounts. Cream cheese is a better option.

Cherries

Fruits · 1 cup (138g)
Kidney-Friendly
Potassium 306 mg
Phosphorus 29 mg
Sodium 0 mg

Anti-inflammatory properties. Moderate potassium.

Chia Seeds

Snacks · 1 tbsp (12g)
Use Caution
Potassium 49 mg
Phosphorus 104 mg
Sodium 2 mg

Higher phosphorus. Small amounts OK. Plant phosphorus less absorbed.

Chicken Breast

Proteins · 3 oz cooked (85g)
Kidney-Friendly
Potassium 220 mg
Phosphorus 196 mg
Sodium 65 mg

Lean protein. Good choice but control portions per your dietitian's guidance.

Chicken Broth (Low Sodium, Packaged)

Condiments · 1 cup (240mL)
Use Caution
Potassium 70 mg
Phosphorus 30 mg
Sodium 140 mg

Far safer than standard canned broths (which often exceed 800mg sodium). Carefully check the ingredient panel to confirm no potassium chloride was added as a salt substitute.

Chicken Thigh (Skinless, Cooked)

Proteins · 3 oz (85g)
Use Caution
Potassium 235 mg
Phosphorus 180 mg
Sodium 75 mg

Tender dark poultry meat with a manageable mineral profile. Ensure cuts are fresh and unseasoned, without pre-injected broth solutions.

Chickpeas

Proteins · 1/2 cup cooked (82g)
Use Caution
Potassium 239 mg
Phosphorus 138 mg
Sodium 6 mg

Moderate potassium and phosphorus. Rinse canned to reduce sodium.

Chives

Condiments · 1 tbsp chopped (3g)
Kidney-Friendly
Potassium 9 mg
Phosphorus 2 mg
Sodium 0 mg

Excellent zero-sodium flavor enhancer.

Cilantro

Condiments · 1/4 cup (4g)
Kidney-Friendly
Potassium 21 mg
Phosphorus 2 mg
Sodium 2 mg

Fresh herb with negligible mineral content. Great flavor enhancer.

Cinnamon

Condiments · 1 tsp (3g)
Kidney-Friendly
Potassium 11 mg
Phosphorus 2 mg
Sodium 0 mg

Good for adding sweetness without sugar. Very low minerals.

Clams (Steamed)

Proteins · 3 oz (85g)
Limit Intake
Potassium 534 mg
Phosphorus 287 mg
Sodium 95 mg

Very high concentrations of both potassium and phosphorus. Clams are best avoided in advanced stages 4 and 5.

Clementine (Tangerine)

Fruits · 1 medium (74g)
Kidney-Friendly
Potassium 131 mg
Phosphorus 15 mg
Sodium 1 mg

Far lower in potassium than standard naval oranges. A fantastic way to enjoy citrus without overloading your kidneys with potassium.

Coconut Aminos

Condiments · 1 tsp (5mL)
Kidney-Friendly
Potassium 16 mg
Phosphorus 3 mg
Sodium 90 mg

Contains roughly 70% less sodium than conventional soy sauce and zero synthetic potassium additives. The preferred savory seasoning swap in renal nutrition.

Coconut Flakes

Snacks · 2 tbsp (10g)
Kidney-Friendly
Potassium 35 mg
Phosphorus 11 mg
Sodium 4 mg

Low in kidney-relevant minerals. Good baking ingredient.

Coconut Milk (Carton)

Dairy · 1 cup (240ml)
Kidney-Friendly
Potassium 46 mg
Phosphorus 29 mg
Sodium 45 mg

Very low in potassium and phosphorus. Good kidney-friendly milk alternative.

Coconut Water

Beverages · 8 oz (240ml)
Limit Intake
Potassium 396 mg
Phosphorus 48 mg
Sodium 252 mg

Very high potassium. NOT a kidney-friendly hydration choice despite marketing.

Cod

Proteins · 3 oz cooked (85g)
Kidney-Friendly
Potassium 208 mg
Phosphorus 117 mg
Sodium 66 mg

Low-fat white fish. Good kidney-friendly protein option.

Coffee

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 116 mg
Phosphorus 7 mg
Sodium 5 mg

Fine in moderation (1-2 cups/day). Low phosphorus.

Cola Soda

Beverages · 12 oz (355ml)
Use Caution
Potassium 18 mg
Phosphorus 41 mg
Sodium 15 mg

Dark colas contain phosphoric acid (added phosphorus). Clear sodas are better. Limit all soda.

Collard Greens

Vegetables · 1 cup cooked (190g)
Kidney-Friendly
Potassium 220 mg
Phosphorus 10 mg
Sodium 30 mg

Lower potassium than other greens. Good source of vitamins.

Corn

Vegetables · 1 ear (90g)
Use Caution
Potassium 243 mg
Phosphorus 77 mg
Sodium 14 mg

Moderate potassium and higher phosphorus. Limit portions.

Corn Tortilla

Grains · 1 medium (26g)
Kidney-Friendly
Potassium 45 mg
Phosphorus 42 mg
Sodium 10 mg

Naturally very low in sodium (10mg vs 150mg+ in flour tortillas) and free of chemical phosphate leaveners.

Cornflakes

Grains · 1 cup (28g)
Kidney-Friendly
Potassium 26 mg
Phosphorus 10 mg
Sodium 200 mg

Low potassium and phosphorus. Watch sodium content; choose lower-sodium brands.

Cottage Cheese

Dairy · 1/2 cup (113g)
Limit Intake
Potassium 97 mg
Phosphorus 151 mg
Sodium 459 mg

Very high in sodium and phosphorus. Avoid or severely limit.

Couscous

Grains · 1 cup cooked (157g)
Kidney-Friendly
Potassium 91 mg
Phosphorus 35 mg
Sodium 8 mg

Low potassium grain option. Similar to white pasta nutritionally.

Crab

Proteins · 3 oz cooked (85g)
Limit Intake
Potassium 223 mg
Phosphorus 175 mg
Sodium 911 mg

Very high sodium. Potassium and phosphorus also significant.

Crackers (Saltine)

Grains · 5 crackers (15g)
Kidney-Friendly
Potassium 17 mg
Phosphorus 10 mg
Sodium 150 mg

Low potassium. Watch sodium from salt topping.

Cranberries

Fruits · 1 cup (100g)
Kidney-Friendly
Potassium 85 mg
Phosphorus 13 mg
Sodium 2 mg

Excellent kidney-friendly fruit. May help prevent UTIs.

Cranberry Juice

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 46 mg
Phosphorus 13 mg
Sodium 5 mg

Very low potassium. May help prevent UTIs. Choose brands without added sugars.

Cream Cheese

Dairy · 2 tbsp (29g)
Kidney-Friendly
Potassium 39 mg
Phosphorus 29 mg
Sodium 85 mg

Lower in potassium and phosphorus than most dairy. Good in small amounts.

Cream of Rice (Cooked)

Grains · 1 cup (240g)
Kidney-Friendly
Potassium 22 mg
Phosphorus 18 mg
Sodium 0 mg

Gentle, soothing hot breakfast cereal with near-zero potassium and sodium. Easy to digest and safe for all CKD stages.

Cucumber

Vegetables · 1 cup sliced (104g)
Kidney-Friendly
Potassium 152 mg
Phosphorus 25 mg
Sodium 2 mg

Very low in all minerals. Great for hydration and snacking.

Dark Chocolate

Snacks · 1 oz (28g)
Use Caution
Potassium 200 mg
Phosphorus 73 mg
Sodium 7 mg

Higher potassium and phosphorus. Small amounts occasionally. Milk chocolate is lower.

Dates

Fruits · 2 dates (48g)
Limit Intake
Potassium 334 mg
Phosphorus 31 mg
Sodium 1 mg

Very concentrated potassium in dried form. Limit to small amounts.

Deli Turkey

Proteins · 3 slices (84g)
Limit Intake
Potassium 198 mg
Phosphorus 201 mg
Sodium 654 mg

Very high sodium from processing. Choose fresh-roasted turkey instead.

Diet Cola

Beverages · 12 oz can (355mL)
Limit Intake
Potassium 20 mg
Phosphorus 40 mg
Sodium 40 mg

Contains chemical phosphoric acid added for tartness. The human gut absorbs 100% of this synthetic phosphorus, driving calcium out of bones.

Dill Pickles

Vegetables · 1 medium spear (35g)
Limit Intake
Potassium 46 mg
Phosphorus 5 mg
Sodium 387 mg

Extremely high in sodium from curing brine. A single spear contains roughly 20% of your daily sodium target, promoting fluid retention and high blood pressure.

Dragon Fruit (Pitaya)

Fruits · 1 cup cubed (150g)
Use Caution
Potassium 290 mg
Phosphorus 45 mg
Sodium 0 mg

Contains moderate potassium and natural fiber. Well tolerated in stages 1 through 3, but patients on strict potassium limits in stages 4 and 5 should measure portions.

Dried Apricots

Fruits · 1/4 cup (33g)
Limit Intake
Potassium 378 mg
Phosphorus 24 mg
Sodium 4 mg

Dried fruits concentrate potassium. Choose fresh fruits instead.

Edamame

Proteins · 1/2 cup shelled (78g)
Use Caution
Potassium 338 mg
Phosphorus 131 mg
Sodium 5 mg

Higher potassium. Plant phosphorus less absorbed than animal.

Egg (Whole)

Proteins · 1 large (50g)
Kidney-Friendly
Potassium 63 mg
Phosphorus 86 mg
Sodium 62 mg

Good protein source. Egg whites have less phosphorus than yolks.

Egg Noodles (Cooked)

Grains · 1 cup (160g)
Kidney-Friendly
Potassium 51 mg
Phosphorus 88 mg
Sodium 8 mg

Traditional pasta option with very low potassium and negligible sodium. Safe for daily rotation in CKD.

Egg Whites

Proteins · 2 large (66g)
Kidney-Friendly
Potassium 108 mg
Phosphorus 10 mg
Sodium 110 mg

Excellent low-phosphorus protein source. Great for CKD diets.

Eggplant

Vegetables · 1 cup diced (82g)
Kidney-Friendly
Potassium 189 mg
Phosphorus 20 mg
Sodium 2 mg

Good low-potassium vegetable. Versatile for cooking.

Endive (Raw)

Vegetables · 1 cup chopped (50g)
Kidney-Friendly
Potassium 157 mg
Phosphorus 14 mg
Sodium 11 mg

A low-potassium leafy alternative to spinach and chard. Safe for salads or braising across all CKD stages.

Energy Drink (Commercial)

Beverages · 16 oz can (473mL)
Limit Intake
Potassium 120 mg
Phosphorus 80 mg
Sodium 360 mg

High caffeine and synthetic additives spike blood pressure and strain glomerular filtration. Best avoided entirely by kidney patients.

English Muffin

Grains · 1 muffin (57g)
Use Caution
Potassium 75 mg
Phosphorus 67 mg
Sodium 264 mg

Moderate sodium. Choose lower-sodium varieties when possible.

Evaporated Milk (Canned)

Dairy · 1/2 cup (126g)
Limit Intake
Potassium 420 mg
Phosphorus 310 mg
Sodium 147 mg

Water removal concentrates potassium and phosphorus to very high levels. Many commercial brands also add dipotassium phosphate as a stabilizer.

Fennel

Vegetables · 1 cup sliced (87g)
Use Caution
Potassium 360 mg
Phosphorus 44 mg
Sodium 45 mg

Moderate-high potassium. Good in small amounts for flavoring.

Feta Cheese

Dairy · 1 oz (28g)
Use Caution
Potassium 18 mg
Phosphorus 95 mg
Sodium 316 mg

Lower in phosphorus than hard cheeses, but salted brine elevates sodium. Soaking feta in cold water for 15 minutes removes up to a third of its sodium.

Fig (Fresh)

Fruits · 1 medium (50g)
Kidney-Friendly
Potassium 116 mg
Phosphorus 7 mg
Sodium 1 mg

Fresh figs are lower potassium than dried. Good in moderation.

Flaxseed

Snacks · 1 tbsp ground (7g)
Kidney-Friendly
Potassium 57 mg
Phosphorus 45 mg
Sodium 2 mg

Good omega-3 source. OK in small amounts.

Fresh Apricot

Fruits · 2 medium (70g)
Use Caution
Potassium 181 mg
Phosphorus 16 mg
Sodium 1 mg

Fresh apricots provide moderate potassium and can fit into early and mid-stage kidney diets. Avoid dried apricots, which concentrate potassium heavily.

Fruit Snacks

Snacks · 1 pouch (25g)
Kidney-Friendly
Potassium 15 mg
Phosphorus 5 mg
Sodium 15 mg

Low in kidney-relevant minerals. Better than dried fruit for potassium.

Garlic

Vegetables · 3 cloves (9g)
Kidney-Friendly
Potassium 36 mg
Phosphorus 14 mg
Sodium 2 mg

Adds flavor without sodium. Anti-inflammatory properties.

Garlic Powder (Pure, No Salt)

Condiments · 1 tsp (3g)
Kidney-Friendly
Potassium 50 mg
Phosphorus 12 mg
Sodium 1 mg

Pure garlic powder is completely sodium free and provides safe savory depth. Always ensure the label reads pure garlic powder, never garlic salt.

Ginger

Condiments · 1 tsp grated (2g)
Kidney-Friendly
Potassium 8 mg
Phosphorus 1 mg
Sodium 0 mg

Anti-inflammatory. Great for nausea. Very low minerals.

Ginger Ale

Beverages · 12 oz (355ml)
Kidney-Friendly
Potassium 4 mg
Phosphorus 0 mg
Sodium 26 mg

No phosphoric acid. Good for nausea. Limit sugar intake.

Ginger Tea (Fresh Brewed)

Beverages · 1 cup (240mL)
Kidney-Friendly
Potassium 25 mg
Phosphorus 3 mg
Sodium 2 mg

Soothing herbal infusion with virtually zero mineral load. Helps relieve nausea that sometimes accompanies advanced CKD.

Goat Cheese (Soft Chèvre)

Dairy · 1 oz (28g)
Kidney-Friendly
Potassium 30 mg
Phosphorus 78 mg
Sodium 104 mg

Gentle on digestion and significantly lower in phosphorus and sodium than parmesan or cheddar.

Graham Crackers

Snacks · 2 sheets (28g)
Kidney-Friendly
Potassium 48 mg
Phosphorus 20 mg
Sodium 169 mg

Reasonable snack option. Moderate sodium.

Granola Bar

Snacks · 1 bar (28g)
Use Caution
Potassium 82 mg
Phosphorus 48 mg
Sodium 79 mg

Watch phosphorus additives in commercial brands. Check labels.

Grapefruit

Fruits · 1/2 medium (128g)
Use Caution
Potassium 166 mg
Phosphorus 22 mg
Sodium 0 mg

Moderate potassium. May interact with certain medications; check with doctor.

Grapes

Fruits · 1 cup (151g)
Kidney-Friendly
Potassium 288 mg
Phosphorus 30 mg
Sodium 3 mg

Good choice for CKD diets. Moderate potassium.

Greek Yogurt

Dairy · 6 oz (170g)
Use Caution
Potassium 240 mg
Phosphorus 190 mg
Sodium 60 mg

High protein and phosphorus. Limit portions in advanced CKD.

Green Beans

Vegetables · 1 cup (125g)
Kidney-Friendly
Potassium 209 mg
Phosphorus 38 mg
Sodium 7 mg

Good kidney-friendly vegetable. Low-moderate potassium.

Green Tea

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 21 mg
Phosphorus 3 mg
Sodium 2 mg

Excellent choice. Very low in all minerals. Antioxidant benefits.

Grits

Grains · 1 cup cooked (242g)
Use Caution
Potassium 48 mg
Phosphorus 36 mg
Sodium 540 mg

Low potassium but higher sodium. Use low-sodium preparation.

Ground Turkey (93% Lean)

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 250 mg
Phosphorus 195 mg
Sodium 70 mg

High quality lean protein. Always verify the package label to ensure raw turkey has not been injected with sodium or potassium phosphate solutions.

Guacamole

Condiments · 2 tbsp (30g)
Use Caution
Potassium 117 mg
Phosphorus 12 mg
Sodium 105 mg

Contains avocado (high potassium). Small amounts only with CKD.

Guava

Fruits · 1 fruit (55g)
Use Caution
Potassium 229 mg
Phosphorus 22 mg
Sodium 1 mg

Very high in vitamin C and fiber, but relatively dense in potassium. Suitable for early stages, but requires portion control if blood potassium is elevated.

Gummy Bears

Snacks · 10 pieces (30g)
Kidney-Friendly
Potassium 2 mg
Phosphorus 0 mg
Sodium 10 mg

Made with gelatin and fruit flavorings without dairy or cocoa. Completely free of potassium and phosphorus, making it a safe occasional candy for CKD.

Half and Half

Dairy · 2 tbsp (30mL)
Kidney-Friendly
Potassium 39 mg
Phosphorus 27 mg
Sodium 12 mg

Lower in phosphorus and potassium per splash than regular whole milk. Safe for daily coffee when used in modest portions.

Halibut

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 449 mg
Phosphorus 214 mg
Sodium 59 mg

Higher potassium fish. Choose cod or tilapia for lower potassium.

Ham

Proteins · 3 oz (85g)
Limit Intake
Potassium 243 mg
Phosphorus 168 mg
Sodium 1023 mg

Extremely high sodium. Processed meats are not recommended for CKD.

Hard Candy

Snacks · 3 pieces (18g)
Kidney-Friendly
Potassium 0 mg
Phosphorus 0 mg
Sodium 5 mg

No kidney-relevant minerals. Fine for occasional use.

Heavy Whipping Cream

Dairy · 1 tbsp (15mL)
Kidney-Friendly
Potassium 11 mg
Phosphorus 9 mg
Sodium 6 mg

Because heavy cream is almost entirely dairy fat, it contains negligible potassium and phosphorus, making it a kidney-safe coffee creamer in small amounts.

Hemp Hearts (Shelled Seeds)

Proteins · 2 tbsp (20g)
Use Caution
Potassium 240 mg
Phosphorus 330 mg
Sodium 1 mg

Highly concentrated in phosphorus. Use as an occasional light sprinkle on salads rather than eating by the tablespoon.

Herbal Tea

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 15 mg
Phosphorus 2 mg
Sodium 5 mg

Very low minerals. Chamomile and peppermint are good choices. Avoid licorice root.

Hibiscus Tea (Brewed)

Beverages · 1 cup (240mL)
Kidney-Friendly
Potassium 20 mg
Phosphorus 2 mg
Sodium 3 mg

Naturally tart caffeine-free herbal tea. Contains anthocyanins that clinical studies suggest may help support healthy blood pressure.

Hoisin Sauce

Condiments · 1 tbsp (16g)
Use Caution
Potassium 19 mg
Phosphorus 5 mg
Sodium 258 mg

Higher sodium. Use sparingly for Asian cooking.

Honey

Condiments · 1 tbsp (21g)
Kidney-Friendly
Potassium 11 mg
Phosphorus 1 mg
Sodium 1 mg

Good natural sweetener. Very low in all minerals.

Honeydew

Fruits · 1 cup diced (170g)
Use Caution
Potassium 388 mg
Phosphorus 17 mg
Sodium 31 mg

Moderate-high potassium. Limit portions in advanced CKD.

Hot Dog

Proteins · 1 link (45g)
Limit Intake
Potassium 79 mg
Phosphorus 62 mg
Sodium 497 mg

Very high sodium. Contains phosphorus additives. Avoid processed meats.

Hot Sauce

Condiments · 1 tsp (5ml)
Use Caution
Potassium 6 mg
Phosphorus 1 mg
Sodium 124 mg

Very high sodium per serving. Use sparingly.

Hummus

Condiments · 2 tbsp (30g)
Kidney-Friendly
Potassium 57 mg
Phosphorus 35 mg
Sodium 73 mg

Lower potassium than most bean dishes. Good in moderation.

Ice Cream (Vanilla)

Dairy · 1/2 cup (66g)
Use Caution
Potassium 131 mg
Phosphorus 69 mg
Sodium 53 mg

Moderate phosphorus. Enjoy occasionally in small portions. Sorbet is a better option.

Italian Dressing

Condiments · 2 tbsp (29g)
Use Caution
Potassium 13 mg
Phosphorus 3 mg
Sodium 243 mg

Higher sodium. Low potassium and phosphorus. Watch portion size.

Jam/Jelly

Condiments · 1 tbsp (20g)
Kidney-Friendly
Potassium 11 mg
Phosphorus 2 mg
Sodium 6 mg

Very low in kidney-relevant minerals. Good on toast.

Jelly Beans

Snacks · 10 pieces (28g)
Kidney-Friendly
Potassium 0 mg
Phosphorus 0 mg
Sodium 7 mg

Zero potassium and phosphorus. Purely sugar. OK for occasional treat.

Jicama

Vegetables · 1 cup sliced (120g)
Kidney-Friendly
Potassium 180 mg
Phosphorus 18 mg
Sodium 5 mg

Crunchy, low-potassium snack. Good raw with dips.

Kale

Vegetables · 1 cup chopped (67g)
Use Caution
Potassium 296 mg
Phosphorus 37 mg
Sodium 25 mg

Higher potassium. Cooking reduces potassium content. Limit in advanced CKD.

Ketchup

Condiments · 1 tbsp (17g)
Use Caution
Potassium 57 mg
Phosphorus 5 mg
Sodium 154 mg

High sodium in regular varieties. Contains some potassium from tomatoes.

Kidney Beans

Proteins · 1/2 cup cooked (89g)
Use Caution
Potassium 358 mg
Phosphorus 122 mg
Sodium 1 mg

Higher potassium. Ironic name but monitor portions with CKD.

Kimchi

Vegetables · 1/2 cup (75g)
Limit Intake
Potassium 113 mg
Phosphorus 20 mg
Sodium 374 mg

Fermented cabbage with beneficial live cultures, but excessive sodium levels make regular portions risky for blood pressure management.

Kiwi

Fruits · 1 medium (69g)
Kidney-Friendly
Potassium 215 mg
Phosphorus 24 mg
Sodium 2 mg

High in vitamin C. Moderate potassium.

Kohlrabi

Vegetables · 1 cup raw (135g)
Use Caution
Potassium 473 mg
Phosphorus 62 mg
Sodium 27 mg

Higher potassium. Cook to reduce. Limit in later CKD stages.

Kombucha (Plain or Ginger)

Beverages · 8 oz (240mL)
Use Caution
Potassium 75 mg
Phosphorus 12 mg
Sodium 10 mg

Fermented tea beverage with modest potassium. Keep track of daily fluid allowances if you are on restricted fluids in stage 4 or 5.

Lamb

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 263 mg
Phosphorus 162 mg
Sodium 56 mg

Moderate potassium and phosphorus. Control portions.

Leeks (Cooked)

Vegetables · 1/2 cup chopped (52g)
Kidney-Friendly
Potassium 45 mg
Phosphorus 9 mg
Sodium 5 mg

Remarkably low in potassium and sodium. Provides deep, savory sweetness to soups, stews, and sautéed dishes without needing table salt.

Lemon Juice

Condiments · 1 tbsp (15ml)
Kidney-Friendly
Potassium 15 mg
Phosphorus 1 mg
Sodium 0 mg

Excellent flavor enhancer. Very low in all minerals. Great salt substitute.

Lemon-Lime Soda

Beverages · 12 oz (355ml)
Kidney-Friendly
Potassium 4 mg
Phosphorus 0 mg
Sodium 46 mg

No phosphoric acid unlike dark colas. Still limit due to sugar content.

Lemonade

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 37 mg
Phosphorus 5 mg
Sodium 7 mg

Good kidney-friendly beverage. Citrate may help prevent kidney stones.

Lentils

Proteins · 1/2 cup cooked (99g)
Limit Intake
Potassium 365 mg
Phosphorus 178 mg
Sodium 2 mg

High potassium and phosphorus. Limit in CKD stages 3+.

Lettuce (Iceberg)

Vegetables · 1 cup shredded (72g)
Kidney-Friendly
Potassium 102 mg
Phosphorus 14 mg
Sodium 7 mg

Very low potassium. Good base for salads.

Lime Juice

Fruits · 1 tbsp (15mL)
Kidney-Friendly
Potassium 18 mg
Phosphorus 2 mg
Sodium 0 mg

Outstanding salt-free kitchen seasoning. Adds vibrant acidity and flavor to fish, poultry, and salads without burdening filtration.

Lobster (Cooked)

Proteins · 3 oz (85g)
Use Caution
Potassium 290 mg
Phosphorus 157 mg
Sodium 320 mg

Shellfish carries natural sodium. Eat without added salted dipping butter to keep total sodium within kidney guidelines.

Macadamia Nuts (Unsalted)

Proteins · 1 oz (28g)
Kidney-Friendly
Potassium 103 mg
Phosphorus 53 mg
Sodium 1 mg

The top nut choice for kidney disease. Carries significantly less potassium and phosphorus than almonds, peanuts, or cashews.

Mango

Fruits · 1 cup sliced (165g)
Kidney-Friendly
Potassium 277 mg
Phosphorus 23 mg
Sodium 3 mg

Delicious tropical fruit. Moderate potassium, low phosphorus.

Maple Syrup

Condiments · 2 tbsp (40g)
Kidney-Friendly
Potassium 54 mg
Phosphorus 1 mg
Sodium 4 mg

Very low phosphorus and sodium. Good sweetener option.

Marshmallows

Snacks · 4 regular (28g)
Kidney-Friendly
Potassium 1 mg
Phosphorus 1 mg
Sodium 23 mg

Very low in all minerals. Good occasional treat option for CKD.

Mayonnaise

Condiments · 1 tbsp (14g)
Kidney-Friendly
Potassium 3 mg
Phosphorus 4 mg
Sodium 88 mg

Very low potassium and phosphorus. Watch sodium.

Milk (Whole)

Dairy · 1 cup (244ml)
Limit Intake
Potassium 322 mg
Phosphorus 205 mg
Sodium 105 mg

High in potassium and phosphorus. Limit to 1/2 cup or try non-dairy alternatives.

Millet

Grains · 1 cup cooked (174g)
Use Caution
Potassium 108 mg
Phosphorus 174 mg
Sodium 3 mg

Plant-based phosphorus less absorbed. Low sodium alternative grain.

Mozzarella

Dairy · 1 oz (28g)
Use Caution
Potassium 24 mg
Phosphorus 105 mg
Sodium 178 mg

Lower phosphorus than cheddar. High sodium. Fresh mozzarella has less sodium.

Mushrooms

Vegetables · 1 cup sliced (70g)
Use Caution
Potassium 223 mg
Phosphorus 60 mg
Sodium 4 mg

Higher in phosphorus. Monitor portions in CKD stages 3+.

Mustard

Condiments · 1 tsp (5g)
Kidney-Friendly
Potassium 7 mg
Phosphorus 4 mg
Sodium 57 mg

Very low in potassium and phosphorus. Good flavor enhancer.

Naan Bread

Grains · 1 piece (90g)
Use Caution
Potassium 69 mg
Phosphorus 78 mg
Sodium 418 mg

Higher sodium from salt. Enjoy occasionally in small amounts.

Nutritional Yeast

Condiments · 2 tbsp (10g)
Use Caution
Potassium 220 mg
Phosphorus 190 mg
Sodium 5 mg

Provides cheesy flavor with virtually no sodium. However, it is very dense in natural potassium and phosphorus, so use as a modest pinch rather than large spoonfuls.

Oat Milk

Dairy · 1 cup (240ml)
Kidney-Friendly
Potassium 190 mg
Phosphorus 35 mg
Sodium 100 mg

Good dairy alternative. Much lower phosphorus than cow's milk.

Oatmeal

Grains · 1 cup cooked (234g)
Use Caution
Potassium 143 mg
Phosphorus 180 mg
Sodium 9 mg

Higher phosphorus. Small portions are fine. Phytate phosphorus is less absorbed.

Okra (Cooked)

Vegetables · 1/2 cup sliced (80g)
Kidney-Friendly
Potassium 149 mg
Phosphorus 32 mg
Sodium 4 mg

Boiled and drained okra contains modest potassium and beneficial soluble fiber that supports gut health and regular bowel movements in CKD.

Olive Oil

Condiments · 1 tbsp (14g)
Kidney-Friendly
Potassium 0 mg
Phosphorus 0 mg
Sodium 0 mg

Heart-healthy fat. No potassium, phosphorus, or sodium. Excellent for cooking.

Onion

Vegetables · 1/2 cup chopped (80g)
Kidney-Friendly
Potassium 117 mg
Phosphorus 23 mg
Sodium 3 mg

Great for flavor. Low in potassium and sodium.

Onion Powder (Pure, No Salt)

Condiments · 1 tsp (2.4g)
Kidney-Friendly
Potassium 24 mg
Phosphorus 8 mg
Sodium 2 mg

Essential seasoning for low-sodium renal cooking. Adds rich allium aroma and flavor without burdening kidney filtration.

Orange

Fruits · 1 medium (131g)
Use Caution
Potassium 237 mg
Phosphorus 18 mg
Sodium 0 mg

Moderate-high potassium. Limit in later CKD stages. Try apples or berries instead.

Orange Juice

Beverages · 8 oz (240ml)
Limit Intake
Potassium 496 mg
Phosphorus 42 mg
Sodium 2 mg

Very high potassium. One of the highest-potassium beverages. Try apple juice instead.

Pancakes

Grains · 2 medium (154g)
Use Caution
Potassium 192 mg
Phosphorus 280 mg
Sodium 576 mg

Higher phosphorus from baking powder and sodium from salt. Homemade is better.

Panko Breadcrumbs (Plain)

Grains · 1/2 cup (30g)
Kidney-Friendly
Potassium 36 mg
Phosphorus 28 mg
Sodium 80 mg

Flaky Japanese breadcrumbs with much less sodium and phosphorus than pre-seasoned Italian breadcrumbs. Great for baking lean poultry and fish.

Papaya

Fruits · 1 cup cubed (145g)
Kidney-Friendly
Potassium 264 mg
Phosphorus 7 mg
Sodium 4 mg

Very low phosphorus. Good kidney-friendly tropical fruit.

Parmesan

Dairy · 1 tbsp grated (5g)
Use Caution
Potassium 12 mg
Phosphorus 40 mg
Sodium 76 mg

Small amounts for flavor. Higher phosphorus and sodium per weight.

Parsnip

Vegetables · 1 cup sliced (133g)
Limit Intake
Potassium 499 mg
Phosphorus 94 mg
Sodium 13 mg

High potassium root vegetable. Use turnips or cauliflower instead.

Pasta (White)

Grains · 1 cup cooked (140g)
Kidney-Friendly
Potassium 44 mg
Phosphorus 58 mg
Sodium 1 mg

Very low potassium. Good kidney-friendly starch option.

Peach

Fruits · 1 medium (150g)
Kidney-Friendly
Potassium 285 mg
Phosphorus 30 mg
Sodium 0 mg

Good choice. Moderate potassium, low sodium.

Peanut Butter

Snacks · 2 tbsp (32g)
Use Caution
Potassium 189 mg
Phosphorus 107 mg
Sodium 136 mg

Higher phosphorus and sodium. Limit to small amounts in later CKD stages.

Pear

Fruits · 1 medium (178g)
Kidney-Friendly
Potassium 206 mg
Phosphorus 20 mg
Sodium 2 mg

Low potassium fruit option. Good source of fiber.

Pearl Barley (Cooked)

Grains · 1/2 cup (79g)
Kidney-Friendly
Potassium 73 mg
Phosphorus 43 mg
Sodium 2 mg

Loaded with cholesterol-lowering soluble beta-glucan fiber, yet very low in potassium and phosphorus. Ideal for renal soups.

Peas (Green)

Vegetables · 1 cup (145g)
Use Caution
Potassium 354 mg
Phosphorus 144 mg
Sodium 5 mg

Higher potassium and phosphorus. Smaller portions are fine.

Pecans (Unsalted)

Proteins · 1 oz (28g)
Kidney-Friendly
Potassium 116 mg
Phosphorus 79 mg
Sodium 0 mg

Low potassium and moderate phosphorus make raw or roasted unsalted pecans a great kidney-friendly snack option.

Pepperoni

Proteins · 15 slices (28g)
Limit Intake
Potassium 95 mg
Phosphorus 54 mg
Sodium 463 mg

Extremely high sodium. Processed meats should be avoided with CKD.

Peppers (Jalapeño)

Vegetables · 1 pepper (14g)
Kidney-Friendly
Potassium 25 mg
Phosphorus 4 mg
Sodium 0 mg

Very low in all kidney-relevant minerals. Good for adding heat.

Persimmon

Fruits · 1 fruit (168g)
Use Caution
Potassium 270 mg
Phosphorus 29 mg
Sodium 2 mg

Sweet autumn fruit with moderate potassium. Half a persimmon is a safer portion size for patients in stages 3b through 5.

Pesto

Condiments · 2 tbsp (30g)
Use Caution
Potassium 52 mg
Phosphorus 48 mg
Sodium 311 mg

Contains cheese (phosphorus) and higher sodium. Use sparingly.

Pineapple

Fruits · 1 cup chunks (165g)
Kidney-Friendly
Potassium 180 mg
Phosphorus 13 mg
Sodium 2 mg

Great kidney-friendly fruit. Low phosphorus and potassium.

Pinto Beans (Cooked)

Proteins · 1/2 cup (86g)
Use Caution
Potassium 373 mg
Phosphorus 125 mg
Sodium 2 mg

Plant phosphorus is bound to phytate and only 30% to 50% absorbed. Current KDIGO guidelines encourage moderate legume portions for heart and gut health.

Pistachios (Unsalted)

Proteins · 1 oz (28g)
Use Caution
Potassium 285 mg
Phosphorus 137 mg
Sodium 2 mg

Higher in potassium than macadamias and pecans. Limit intake to a strictly measured single ounce portion.

Pita Bread

Grains · 1 small (28g)
Kidney-Friendly
Potassium 36 mg
Phosphorus 26 mg
Sodium 150 mg

Low potassium option. Watch sodium in some brands.

Plantain (Cooked)

Fruits · 1/2 cup sliced (77g)
Limit Intake
Potassium 358 mg
Phosphorus 25 mg
Sodium 3 mg

Very dense in potassium, much like standard bananas. Boiling plantains in ample water and discarding the cooking broth helps lower potassium content.

Plum

Fruits · 1 medium (66g)
Kidney-Friendly
Potassium 104 mg
Phosphorus 11 mg
Sodium 0 mg

Low potassium fruit, great snack option.

Polenta

Grains · 1 cup cooked (240g)
Kidney-Friendly
Potassium 48 mg
Phosphorus 36 mg
Sodium 336 mg

Very low potassium and phosphorus. Watch sodium in prepared versions.

Pomegranate

Fruits · 1/2 cup seeds (87g)
Kidney-Friendly
Potassium 205 mg
Phosphorus 31 mg
Sodium 3 mg

Rich in antioxidants. Moderate potassium.

Pork Chop (Center Cut, Cooked)

Proteins · 3 oz (85g)
Use Caution
Potassium 330 mg
Phosphorus 210 mg
Sodium 60 mg

Fresh, unprocessed pork chops are safe in measured servings. Avoid commercial tenderized pork injected with sodium phosphate.

Pork Tenderloin

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 289 mg
Phosphorus 190 mg
Sodium 48 mg

Lean cut. Moderate potassium and phosphorus.

Portobello Mushrooms (Grilled)

Vegetables · 1 cup sliced (121g)
Limit Intake
Potassium 450 mg
Phosphorus 160 mg
Sodium 11 mg

Dense in both potassium and phosphorus. If you are watching potassium, keep portions small or swap for lower-potassium shiitake mushrooms.

Potato

Vegetables · 1 medium (148g)
Limit Intake
Potassium 610 mg
Phosphorus 57 mg
Sodium 6 mg

Very high potassium. Leach by soaking sliced potatoes in water for 2+ hours before cooking.

Potato Chips

Snacks · 1 oz (28g)
Limit Intake
Potassium 362 mg
Phosphorus 46 mg
Sodium 148 mg

High potassium and sodium. Choose lower-potassium snacks like popcorn or rice cakes.

Pretzel Sticks (Unsalted)

Snacks · 1 oz (28g)
Kidney-Friendly
Potassium 45 mg
Phosphorus 28 mg
Sodium 35 mg

Crisp, satisfying snack with very low mineral and sodium counts. Great alternative to salted chips or pretzels.

Pretzels

Snacks · 1 oz (28g)
Use Caution
Potassium 33 mg
Phosphorus 27 mg
Sodium 385 mg

Very high sodium. Choose unsalted varieties or limit portions.

Prune Juice

Beverages · 8 oz (240ml)
Limit Intake
Potassium 707 mg
Phosphorus 63 mg
Sodium 10 mg

One of the highest potassium beverages. Must avoid with CKD.

Prunes (Dried Plums)

Fruits · 5 pitted (48g)
Limit Intake
Potassium 353 mg
Phosphorus 38 mg
Sodium 1 mg

Dehydration removes water and concentrates potassium heavily. Limit to one or two prunes if you need to control blood potassium levels.

Pudding

Snacks · 1/2 cup (113g)
Use Caution
Potassium 160 mg
Phosphorus 120 mg
Sodium 150 mg

Made with milk, leading to higher phosphorus. Non-dairy pudding is better for CKD.

Pumpkin Seeds

Snacks · 1 oz (28g)
Limit Intake
Potassium 229 mg
Phosphorus 332 mg
Sodium 5 mg

Extremely high phosphorus. Not recommended for CKD.

Quinoa

Grains · 1 cup cooked (185g)
Use Caution
Potassium 318 mg
Phosphorus 281 mg
Sodium 13 mg

Higher phosphorus and potassium, though plant phosphorus is less absorbed.

Radicchio (Raw)

Vegetables · 1 cup (40g)
Kidney-Friendly
Potassium 121 mg
Phosphorus 16 mg
Sodium 9 mg

Low potassium chicory that adds beautiful purple color, crisp bite, and gut-friendly inulin fiber to kidney-friendly salads.

Radishes

Vegetables · 1 cup sliced (116g)
Kidney-Friendly
Potassium 270 mg
Phosphorus 23 mg
Sodium 45 mg

Low phosphorus, good as a crunchy salad addition.

Rainbow Trout (Cooked)

Proteins · 3 oz (85g)
Use Caution
Potassium 380 mg
Phosphorus 226 mg
Sodium 57 mg

Rich in anti-inflammatory omega-3 fats with very low natural sodium. Moderate potassium and phosphorus require modest 3-ounce portions.

Raisins

Fruits · 1/4 cup (36g)
Limit Intake
Potassium 272 mg
Phosphorus 34 mg
Sodium 4 mg

Concentrated potassium. Dried fruits should be avoided in advanced CKD.

Ranch Dressing

Condiments · 2 tbsp (30g)
Use Caution
Potassium 37 mg
Phosphorus 32 mg
Sodium 260 mg

Higher sodium. Use in small amounts or make your own with less salt.

Raspberries

Fruits · 1 cup (123g)
Kidney-Friendly
Potassium 186 mg
Phosphorus 36 mg
Sodium 1 mg

High in fiber and antioxidants. Good kidney choice.

Red Wine

Beverages · 5 oz (148ml)
Use Caution
Potassium 187 mg
Phosphorus 34 mg
Sodium 6 mg

Contains potassium. Alcohol should be limited with CKD. Ask your doctor.

Rhubarb

Fruits · 1/2 cup cooked (120g)
Use Caution
Potassium 175 mg
Phosphorus 10 mg
Sodium 3 mg

Low in potassium, but exceptionally high in oxalates. Patients prone to calcium oxalate kidney stones should limit or avoid rhubarb.

Rice Cakes

Snacks · 2 cakes (18g)
Kidney-Friendly
Potassium 26 mg
Phosphorus 16 mg
Sodium 52 mg

Low in all minerals. Good snack base with cream cheese or jam.

Rice Milk

Dairy · 1 cup (240ml)
Kidney-Friendly
Potassium 65 mg
Phosphorus 56 mg
Sodium 86 mg

Lowest potassium dairy alternative. Good for advanced CKD stages.

Rice Noodles (Vermicelli, Cooked)

Grains · 1 cup (176g)
Kidney-Friendly
Potassium 7 mg
Phosphorus 14 mg
Sodium 19 mg

Virtually zero potassium and minimal phosphorus. An exceptional base for kidney-friendly stir fries and noodle bowls.

Ricotta

Dairy · 1/4 cup (62g)
Use Caution
Potassium 65 mg
Phosphorus 77 mg
Sodium 52 mg

Lower sodium than most cheeses. Moderate phosphorus.

Romaine Lettuce

Vegetables · 1 cup shredded (47g)
Kidney-Friendly
Potassium 116 mg
Phosphorus 14 mg
Sodium 4 mg

Crisp, refreshing base for salads. Low in potassium, sodium, and phosphorus, safe for daily enjoyment across all CKD stages.

Root Beer

Beverages · 12 oz can (355mL)
Use Caution
Potassium 5 mg
Phosphorus 0 mg
Sodium 45 mg

Unlike dark colas, almost all commercial root beers are made without phosphoric acid. However, high sugar content requires caution for diabetic kidney disease.

Rosemary

Condiments · 1 tsp dried (1g)
Kidney-Friendly
Potassium 11 mg
Phosphorus 1 mg
Sodium 1 mg

Negligible minerals. Excellent for flavoring meats without salt.

Rutabaga

Vegetables · 1 cup cubed (140g)
Use Caution
Potassium 427 mg
Phosphorus 82 mg
Sodium 28 mg

Higher potassium than turnips. Cook and drain to reduce.

Rye Bread

Grains · 1 slice (32g)
Use Caution
Potassium 53 mg
Phosphorus 40 mg
Sodium 180 mg

Moderate in sodium per slice. Keep sandwiches to one open-face slice or seek out artisanal reduced-sodium bakeries.

Salmon

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 326 mg
Phosphorus 218 mg
Sodium 52 mg

Good omega-3 source but higher in potassium and phosphorus. Limit in advanced CKD.

Salsa

Condiments · 2 tbsp (30g)
Use Caution
Potassium 48 mg
Phosphorus 5 mg
Sodium 150 mg

Contains tomato (potassium). Higher sodium. Use in moderation.

Salt Substitute (Potassium Chloride)

Condiments · 1/4 tsp (1.2g)
Limit Intake
Potassium 650 mg
Phosphorus 0 mg
Sodium 0 mg

EXTREME CLINICAL WARNING: Commercial salt substitutes (such as Nu-Salt or NoSalt) replace sodium with concentrated potassium chloride. A quarter teaspoon delivers a massive 650mg of potassium that can trigger life-threatening hyperkalemia in CKD.

Sauerkraut (Canned)

Vegetables · 1/2 cup (71g)
Limit Intake
Potassium 121 mg
Phosphorus 14 mg
Sodium 468 mg

Cured in heavy salt brine. While rich in probiotics, the high sodium content strains kidney fluid regulation unless thoroughly rinsed and eaten sparingly.

Sausage

Proteins · 1 link (45g)
Limit Intake
Potassium 102 mg
Phosphorus 65 mg
Sodium 310 mg

Very high sodium and often contains phosphorus additives. Avoid processed meats.

Scallops

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 274 mg
Phosphorus 334 mg
Sodium 161 mg

Higher phosphorus than most seafood. Limit in advanced CKD.

Seitan (Vital Wheat Gluten)

Proteins · 3 oz (85g)
Kidney-Friendly
Potassium 85 mg
Phosphorus 110 mg
Sodium 60 mg

Superb plant-based protein with very low potassium and phosphorus compared to beans and soy. Ideal for vegetarian kidney patients.

Shallots (Raw)

Vegetables · 2 tbsp chopped (20g)
Kidney-Friendly
Potassium 67 mg
Phosphorus 12 mg
Sodium 2 mg

Potent aromatic that imparts delicate garlic and onion tones to dressings and sautés without adding sodium.

Sherbet

Dairy · 1/2 cup (96g)
Kidney-Friendly
Potassium 92 mg
Phosphorus 38 mg
Sodium 44 mg

Lower in phosphorus than ice cream. Better frozen dessert option for CKD.

Shiitake Mushrooms (Cooked)

Vegetables · 1/2 cup (73g)
Kidney-Friendly
Potassium 85 mg
Phosphorus 21 mg
Sodium 3 mg

Substantially lower in potassium than button or portobello mushrooms. Provides rich umami depth without sodium.

Shortbread Cookies

Snacks · 2 cookies (30g)
Kidney-Friendly
Potassium 20 mg
Phosphorus 18 mg
Sodium 65 mg

Simple butter, flour, and sugar recipe keeps potassium and phosphorus extremely low for sweet cravings in CKD.

Shrimp

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 145 mg
Phosphorus 116 mg
Sodium 805 mg

Low potassium but very high in sodium. Rinse well and limit if sodium-restricted.

Smoked Paprika

Condiments · 1 tsp (2.3g)
Kidney-Friendly
Potassium 53 mg
Phosphorus 7 mg
Sodium 2 mg

Rich, smoky spice that effectively mimics bacon or ham flavor in kidney-safe bean soups, stews, and roasted meats without sodium.

Snow Peas

Vegetables · 1 cup (63g)
Kidney-Friendly
Potassium 126 mg
Phosphorus 33 mg
Sodium 3 mg

Low potassium when eaten raw. Good in stir-fries.

Soba Noodles (100% Buckwheat, Cooked)

Grains · 1 cup (114g)
Kidney-Friendly
Potassium 40 mg
Phosphorus 48 mg
Sodium 100 mg

Pure buckwheat noodles have gentle mineral profiles. Rinse well after boiling to wash away surface starch and residual sodium.

Sorbet

Dairy · 1/2 cup (96g)
Kidney-Friendly
Potassium 20 mg
Phosphorus 2 mg
Sodium 5 mg

Essentially zero phosphorus and very low potassium. Best frozen dessert for CKD.

Sour Cream

Dairy · 2 tbsp (30g)
Kidney-Friendly
Potassium 36 mg
Phosphorus 20 mg
Sodium 10 mg

Low in all kidney-relevant minerals. Good condiment option.

Sourdough Bread

Grains · 1 slice (47g)
Kidney-Friendly
Potassium 53 mg
Phosphorus 36 mg
Sodium 206 mg

Fermentation reduces phytate, improving mineral profile. Watch sodium.

Soy Milk (Unsweetened)

Dairy · 1 cup (240mL)
Use Caution
Potassium 300 mg
Phosphorus 120 mg
Sodium 90 mg

Provides complete plant protein, but carries more potassium than almond or rice milk. Always check the ingredient list to avoid added tricalcium phosphate.

Soy Sauce

Condiments · 1 tbsp (18g)
Limit Intake
Potassium 65 mg
Phosphorus 20 mg
Sodium 879 mg

Extremely high in sodium. Use low-sodium soy sauce and limit to small amounts.

Spaghetti Squash

Vegetables · 1 cup cooked (155g)
Kidney-Friendly
Potassium 182 mg
Phosphorus 22 mg
Sodium 28 mg

Great low-carb, low-potassium pasta alternative.

Sparkling Water (Plain Seltzer)

Beverages · 12 oz (355mL)
Kidney-Friendly
Potassium 0 mg
Phosphorus 0 mg
Sodium 5 mg

Carbonated water without additives. Completely free of phosphoric acid, sugar, and potassium, offering safe fizz for CKD.

Spinach

Vegetables · 1 cup raw (30g)
Use Caution
Potassium 167 mg
Phosphorus 15 mg
Sodium 24 mg

High in potassium when cooked. Raw is lower but still monitor portions in advanced CKD.

Sports Drink

Beverages · 12 oz (355ml)
Use Caution
Potassium 37 mg
Phosphorus 27 mg
Sodium 110 mg

Contains electrolytes. Not recommended without medical guidance for CKD.

Starfruit (Carambola)

Fruits · 1 medium (91g)
Limit Intake
Potassium 121 mg
Phosphorus 11 mg
Sodium 2 mg

Strictly avoid for all stages of kidney disease. Starfruit contains caramboxin, a potent neurotoxin that damaged kidneys cannot filter. Ingestion can trigger severe hiccups, confusion, seizures, and neurotoxicity even in modest quantities.

Strawberries

Fruits · 1 cup (152g)
Kidney-Friendly
Potassium 233 mg
Phosphorus 37 mg
Sodium 2 mg

Good kidney-friendly fruit. Moderate potassium, high in vitamin C.

Sunflower Seeds

Snacks · 1 oz (28g)
Limit Intake
Potassium 226 mg
Phosphorus 234 mg
Sodium 1 mg

Very high phosphorus. Limit or avoid in CKD. Choose unsalted.

Sweet Potato

Vegetables · 1 medium (114g)
Use Caution
Potassium 438 mg
Phosphorus 54 mg
Sodium 41 mg

High potassium. Can leach to reduce potassium content. Limit portions.

Sweetened Condensed Milk

Dairy · 2 tbsp (39g)
Limit Intake
Potassium 145 mg
Phosphorus 105 mg
Sodium 50 mg

Dense combination of concentrated milk minerals and heavy refined sugars. Best avoided in renal meal planning.

Swiss Chard

Vegetables · 1 cup cooked (175g)
Limit Intake
Potassium 961 mg
Phosphorus 58 mg
Sodium 313 mg

Extremely high potassium. One of the highest-potassium vegetables. Avoid.

Swiss Cheese

Dairy · 1 oz (28g)
Kidney-Friendly
Potassium 22 mg
Phosphorus 161 mg
Sodium 54 mg

A premier cheese choice for kidney disease. Swiss cheese contains only 54mg sodium per slice compared to over 200mg in cheddar, with zero phosphate additives.

Tahini

Condiments · 1 tbsp (15g)
Use Caution
Potassium 62 mg
Phosphorus 110 mg
Sodium 5 mg

Higher phosphorus from sesame seeds. Small amounts for hummus.

Tempeh

Proteins · 3 oz (85g)
Use Caution
Potassium 256 mg
Phosphorus 171 mg
Sodium 9 mg

Fermented soy protein. Plant phosphorus is less absorbed than animal.

Teriyaki Sauce

Condiments · 1 tbsp (18g)
Limit Intake
Potassium 40 mg
Phosphorus 20 mg
Sodium 690 mg

Extremely high sodium. Avoid or use very sparingly.

Tilapia

Proteins · 3 oz cooked (85g)
Kidney-Friendly
Potassium 267 mg
Phosphorus 146 mg
Sodium 53 mg

Lower phosphorus fish option. Good kidney-friendly protein.

Tofu (Firm)

Proteins · 1/2 cup (126g)
Kidney-Friendly
Potassium 150 mg
Phosphorus 120 mg
Sodium 14 mg

Plant protein option. Lower potassium than many animal proteins.

Tomato

Vegetables · 1 medium (123g)
Use Caution
Potassium 292 mg
Phosphorus 30 mg
Sodium 6 mg

Moderate-high potassium. Tomato sauce and paste are much higher, so limit those.

Tomato Juice

Beverages · 8 oz (240ml)
Limit Intake
Potassium 527 mg
Phosphorus 40 mg
Sodium 615 mg

Very high potassium AND sodium. Avoid with CKD.

Tomato Paste (Canned)

Vegetables · 2 tbsp (32g)
Limit Intake
Potassium 325 mg
Phosphorus 27 mg
Sodium 18 mg

Cooked down and concentrated, tomato paste packs heavy potassium into just two tablespoons. Roasted red bell pepper paste is a far safer substitute.

Tomato Sauce (No Salt Added)

Vegetables · 1/2 cup (122g)
Limit Intake
Potassium 454 mg
Phosphorus 34 mg
Sodium 24 mg

Even with zero added salt, tomatoes naturally carry heavy potassium. Look for roasted red pepper pasta sauces as a renal-friendly alternative.

Tortilla Chips (Unsalted Corn)

Snacks · 1 oz (28g)
Kidney-Friendly
Potassium 48 mg
Phosphorus 35 mg
Sodium 5 mg

Low in sodium and phosphorus. Pair with fresh homemade low-potassium salsa or bell pepper dip for safe snacking.

Trail Mix

Snacks · 1 oz (28g)
Use Caution
Potassium 160 mg
Phosphorus 92 mg
Sodium 33 mg

Mix of nuts and dried fruits. Higher phosphorus and potassium. Limit.

Turkey Breast

Proteins · 3 oz cooked (85g)
Kidney-Friendly
Potassium 248 mg
Phosphorus 183 mg
Sodium 44 mg

Lean protein option. Watch portion sizes in later CKD stages.

Turmeric

Condiments · 1 tsp (3g)
Kidney-Friendly
Potassium 56 mg
Phosphorus 6 mg
Sodium 1 mg

Anti-inflammatory spice. Very low mineral content per serving.

Turnip

Vegetables · 1 cup cubed (130g)
Kidney-Friendly
Potassium 248 mg
Phosphorus 39 mg
Sodium 87 mg

Good lower-potassium root vegetable alternative to potatoes.

Vanilla Wafers

Snacks · 5 wafers (15g)
Kidney-Friendly
Potassium 8 mg
Phosphorus 10 mg
Sodium 40 mg

Low in all kidney-relevant minerals. Good cookie option.

Venison

Proteins · 3 oz cooked (85g)
Use Caution
Potassium 285 mg
Phosphorus 192 mg
Sodium 48 mg

Lean game meat. Similar to beef in kidney impact.

Vinegar

Condiments · 1 tbsp (15ml)
Kidney-Friendly
Potassium 11 mg
Phosphorus 1 mg
Sodium 1 mg

Great for adding flavor. Essentially zero kidney-relevant minerals.

Waffles

Grains · 1 round (75g)
Use Caution
Potassium 65 mg
Phosphorus 136 mg
Sodium 391 mg

Higher in sodium and phosphorus. Limit frozen varieties.

Walnuts

Snacks · 1 oz (28g)
Use Caution
Potassium 125 mg
Phosphorus 98 mg
Sodium 1 mg

High phosphorus. Small amounts OK. Plant phosphorus less absorbed.

Water

Beverages · 8 oz (240ml)
Kidney-Friendly
Potassium 0 mg
Phosphorus 0 mg
Sodium 7 mg

Best choice for hydration. Unless fluid-restricted by your doctor.

Water Chestnuts (Canned, Drained)

Vegetables · 1/2 cup (70g)
Kidney-Friendly
Potassium 120 mg
Phosphorus 23 mg
Sodium 8 mg

Very gentle on the kidneys when rinsed. Adds crisp texture to vegetable stir fries without loading up on potassium or phosphorus.

Watercress

Vegetables · 1 cup chopped (34g)
Kidney-Friendly
Potassium 112 mg
Phosphorus 20 mg
Sodium 14 mg

Very low calorie and potassium. Good salad ingredient.

Watermelon

Fruits · 1 cup diced (152g)
Kidney-Friendly
Potassium 170 mg
Phosphorus 17 mg
Sodium 2 mg

Good hydrating choice. Moderate potassium. Watch portion sizes.

Whipped Cream

Dairy · 2 tbsp (6g)
Kidney-Friendly
Potassium 6 mg
Phosphorus 3 mg
Sodium 4 mg

Very low in all minerals. Fine as an occasional treat.

White Bread

Grains · 1 slice (25g)
Kidney-Friendly
Potassium 25 mg
Phosphorus 25 mg
Sodium 120 mg

Lower phosphorus than whole wheat. Watch sodium from added salt.

White Chocolate

Snacks · 1 oz (28g)
Kidney-Friendly
Potassium 85 mg
Phosphorus 50 mg
Sodium 25 mg

Crafted with cocoa butter rather than cocoa solids, white chocolate carries far less potassium and phosphorus than dark or milk chocolate.

White Rice

Grains · 1 cup cooked (158g)
Kidney-Friendly
Potassium 55 mg
Phosphorus 68 mg
Sodium 1 mg

Excellent kidney-friendly grain. Very low potassium. Prefer over brown rice.

White Wine

Beverages · 5 oz (148ml)
Use Caution
Potassium 104 mg
Phosphorus 27 mg
Sodium 7 mg

Lower potassium than red wine. Still limit alcohol with CKD.

Whole Wheat Bread

Grains · 1 slice (28g)
Use Caution
Potassium 69 mg
Phosphorus 57 mg
Sodium 130 mg

Higher phosphorus than white bread. Phosphorus from whole grains is less absorbed.

Worcestershire Sauce

Condiments · 1 tsp (5ml)
Kidney-Friendly
Potassium 24 mg
Phosphorus 3 mg
Sodium 65 mg

Small amounts OK for flavor. Low minerals per typical serving.

Zucchini

Vegetables · 1 cup sliced (113g)
Kidney-Friendly
Potassium 295 mg
Phosphorus 39 mg
Sodium 10 mg

Good choice. Moderate potassium, low sodium.