Lettuce, cos or romaine, raw
Per 100 g edible portion
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus30 mg3%Low
Sodium8 mg<1%Low
Potassium247 mg12%Low
About this food
Lettuce sits in the Vegetables group. 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 reaches 12% of the limit - the leading item. Patients with normal blood potassium can eat moderate amounts; those with hyperkalemia should be more careful.
Other nutrients
Protein1.2 gNot part of rating
Fiber2.1 gBeneficial for CKD (core plant-based nutrient)
Sugar (total)1.2 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
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.