Dock, cooked, boiled, drained, without salt
Per 100 g edible portion
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus52 mg5%Low
Sodium3 mg<1%Low
Potassium321 mg16%Moderate
About this food
Dock belongs to the Vegetables category. 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
The most striking number here is potassium (16%). For patients on potassium restriction, portion size and leaching are the two levers that matter for foods like Dock.
Other nutrients
Protein1.8 gNot part of rating
Fiber2.6 gBeneficial for CKD (core plant-based nutrient)
Alcohol0 gAlcohol-free
PurineNo dataNot rated · reference for those with high uric acid
OxalateNo dataNot rated · reference for those with kidney stones
Phosphorus source: Natural plant source (lower absorption) · Potassium form: Whole food
Practical tips
A handy approach - Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.