Kidney-friendlyMeasured against KDIGO/KDOQI daily limits, Sweet potato is Kidney-friendly: even its highest mineral, Potassium, reaches only 10% of the limit.
Phosphorus / Sodium / Potassium (rating basis)
Phosphorus25 mg2%
Low
Sodium39 mg2%
Low
Potassium193 mg10%
Low
About this food
Sweet potato is a common member of Vegetables. 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. This helps when choosing similar foods.
Nutrient insight
Potassium is the highest of the three at 10%. With reduced kidney function, blood potassium can rise, so spread high-potassium foods across the day rather than in one large serving.
Other nutrients
Protein1.3 gNot part of rating
Fiber3 gBeneficial for CKD (core plant-based nutrient)
How to eat it more safely: Slice, boil and discard the water to remove roughly 30-50% of the potassium - a practical method for high-potassium vegetables.
Sweet potato scores Kidney-friendly on the phosphorus/sodium/potassium assessment, led by Potassium (10% of limit). This site presents data, not medical judgment.
Why is Sweet potato rated Kidney-friendly?
The reason: Potassium (193 mg, 10%) is the most prominent of Sweet potato's three minerals, at the <15% level, which maps to Kidney-friendly.
How much Potassium is in Sweet potato?
In every 100 g of Sweet potato, Potassium is about 193 mg - roughly 10% of the daily limit (2,000 mg).
Is Sweet potato safe on a low-potassium diet?
For people watching potassium, Sweet potato falls below 300 mg per 100 g, with Potassium at 193 mg. Confirm your personal limit with your nephrologist or renal dietitian.
How does Sweet potato compare to other vegetables foods?
Against the Vegetables average, Sweet potato shows less Potassium (193 mg per 100 g). The tier shown here comes from its own numbers, not the category.