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)
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.