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Lettuce, butterhead (includes boston and bibb types), raw

Per 100 g edible portion
Vegetables
Kidney-friendlyFrom a daily-limit view, Lettuce lands in the Kidney-friendly band: Potassium is highest at 12%, still comfortably low.

Phosphorus / Sodium / Potassium (rating basis)

Phosphorus33 mg3%
Low
Sodium5 mg<1%
Low
Potassium238 mg12%
Low

About this food

For Vegetables, Lettuce is a typical example. 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

Lettuce's potassium is the top contributor (12% 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

Protein1.4 gNot part of rating
Fiber1.1 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)0.9 gNatural sugar
Alcohol0 gAlcohol-free
Purine4.7 mgLow purineNot rated · category estimate
Oxalate5 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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Frequently asked questions

Is Lettuce safe for kidney disease?

On a CKD stage 3-4 basis, Lettuce is Kidney-friendly, with risk mainly coming from Potassium (12%). Data is for reference and is not medical advice.

Why is Lettuce rated Kidney-friendly?

Simply put: among Lettuce's three minerals, Potassium is highest (238 mg, 12%), and by the tier rule (<15%) the result is Kidney-friendly.

How much Potassium is in Lettuce?

Per 100 g, Lettuce contains Potassium 238 mg, which is 12% of the CKD stage 3-4 daily limit (2,000 mg).

Is Lettuce safe on a low-potassium diet?

On a low-potassium diet, Lettuce falls below the 300 mg per 100 g reference point, providing 238 mg of Potassium. Treat this as a reference - your stage and labs decide the real target.

How does Lettuce compare to other vegetables foods?

Compared with the typical Vegetables food, Lettuce has less Potassium - 238 mg per 100 g on record. Ratings on this site always use the food's own measured values.