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Tomatoes, yellow, raw

Per 100 g edible portion
Vegetables
Kidney-friendlyUsing CKD stage 3-4 limits, Tomatoes falls in the Kidney-friendly tier - Potassium (13%) is the most notable of the three, with low risk across the board.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus36 mg4%
Low
Sodium23 mg1%
Low
Potassium258 mg13%
Low

About this food

About Tomatoes: 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. As a Vegetables item, its role in a kidney diet depends mainly on mineral content.

Nutrient insight

Tomatoes's potassium is the top contributor (13% of its limit), so its potassium density deserves attention. In CKD stage 3-4 the kidneys clear potassium less well - control portions, and peeling, slicing or boiling can help.

Other nutrients

Protein1 gNot part of rating
Fiber0.7 gBeneficial for CKD (core plant-based nutrient)
Alcohol0 gAlcohol-free
Purine6.6 mgLow purineNot rated · category estimate
Oxalate9 mgLow oxalateNot rated · category estimate
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food

Practical tips

Practical tip: 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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Related guides

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Frequently asked questions

Is Tomatoes safe for kidney disease?

On a CKD stage 3-4 basis, Tomatoes is Kidney-friendly, with risk mainly coming from Potassium (13%). Data is for reference and is not medical advice.

Why is Tomatoes rated Kidney-friendly?

Simply put: among Tomatoes's three minerals, Potassium is highest (258 mg, 13%), and by the tier rule (<15%) the result is Kidney-friendly.

How much Potassium is in Tomatoes?

Per 100 g, Tomatoes contains Potassium 258 mg, which is 13% of the CKD stage 3-4 daily limit (2,000 mg).

Is Tomatoes safe on a low-potassium diet?

On a low-potassium diet, Tomatoes falls below the 300 mg per 100 g reference point, providing 258 mg of Potassium. Treat this as a reference - your stage and labs decide the real target.

How does Tomatoes compare to other vegetables foods?

Compared with the typical Vegetables food, Tomatoes has less Potassium - 258 mg per 100 g on record. Ratings on this site always use the food's own measured values.