CKD Daily Limit Impact
Based on CKD Stage 3-4 daily limits
๐ฅฆ Vegetables
Safe
Red Onions
Nutrition facts & CKD safety rating per 100gram serving
Serving Size
100.0 gram
Calories
44 kcal
Protein
0.9 g
Carbs
9.9 g
Fat
0.1 g
Phosphorus Learn more โ
41 mg
Sodium Learn more โ
1 mg
Potassium Learn more โ
197 mg
Frequently Asked Questions
Is Red Onions safe for people with kidney disease?
Red Onions is rated Safe for CKD patients. Good choice for kidney disease patients. With 41.0mg phosphorus, 1.0mg sodium, and 197.0mg potassium per 100.0g serving, it can be enjoyed in normal portion sizes. Always confirm with your nephrologist or renal dietitian.
How much phosphorus is in Red Onions?
A 100.0g serving of Red Onions contains 41mg of phosphorus, which is approximately 4% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.
How much sodium is in Red Onions?
Per 100.0g serving, Red Onions provides 1mg of sodium โ about 0% of the 2,300mg daily sodium limit recommended for kidney patients.
How much potassium is in Red Onions?
Red Onions contains 197mg of potassium per 100.0g serving, equivalent to about 10% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.
Can dialysis patients eat Red Onions?
Dialysis patients have stricter mineral limits. Given Red Onions is rated Safe (Good choice for kidney disease patients), it is generally a good choice for dialysis patients in normal portions. Your dialysis team can give you personalised portion advice.
Where to Buy Red Onions
Shop from trusted retailers โ we may earn a small commission at no extra cost.
Shop Red Onions on Amazon
Shop now
Affiliate Disclosure: As an Amazon Associate, KidneyFoods earns from qualifying purchases. This helps keep the site free โ at no extra cost to you.
More Vegetables
Peel Eaten Potato
Phosphorus70 mg
Sodium186 mg
Potassium533 mg
Turnip Greens
Phosphorus35 mg
Sodium40 mg
Potassium292 mg
Morningstar Farms Breakfast Southwest Sunrise 13.4oz
Phosphorus126 mg
Sodium729 mg
Potassium240 mg
Fuel Fuel Vegetable & Fruit Juice Drink
Phosphorus21 mg
Sodium36 mg
Potassium189 mg
Last updated: March 15, 2026 ยท Data source: USDA FoodData Central & KDOQI guidelines