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Onions, frozen, chopped, cooked, boiled, drained, without salt

Per 100 g edible portion
Vegetables
Kidney-friendlyOnions receives a Kidney-friendly rating. Among phosphorus, sodium and potassium, Potassium is highest at 5%, yet stays under the 15% line.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus19 mg2%
Low
Sodium12 mg<1%
Low
Potassium108 mg5%
Low

About this food

In a CKD diet, Vegetables deserve attention: Onions - Vegetables are a key source of fiber and vitamins and are beneficial in CKD. Some are high in potassium, but slicing, boiling and discarding the water can remove about 30-50% of the potassium - a practical step.

Nutrient insight

Onions's potassium reaches 5% of the limit - the leading item. Patients with normal blood potassium can eat moderate amounts; those with hyperkalemia should be more careful.

Other nutrients

Protein0.8 gNot part of rating
Fiber1.8 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)2.9 gNatural sugar
Alcohol0 gAlcohol-free
Purine2.2 mgLow purineNot rated · category estimate
Oxalate27 mgLow oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

If you are managing mineral intake: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.

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Frequently asked questions

Is Onions safe for kidney disease?

Based on CKD stage 3-4 daily limits, Onions is rated Kidney-friendly - Potassium is the highest contributor at 5% of its limit. Ratings reflect public nutrition data only; individual cases should follow medical advice.

Why is Onions rated Kidney-friendly?

Among phosphorus, sodium and potassium, Onions's Potassium is highest (108 mg, 5% of daily limit), falling in the <15% band - hence the Kidney-friendly rating.

How much Potassium is in Onions?

Onions's Potassium content is 108 mg per 100 g - 5% of the daily limit of 2,000 mg.

Is Onions safe on a low-potassium diet?

If you are on a potassium-restricted diet, Onions falls below 300 mg per 100 g - Potassium comes in at 108 mg. Always verify against your own daily limit.

How does Onions compare to other vegetables foods?

How does Onions compare within Vegetables? Its Potassium (108 mg per 100 g) is less than the category average. The rating below is calculated from this food's own data.