Purple Sweet Potato — Zi Shu is Avoid for kidney disease patients
Avoid or eat rarely if you have CKD · Verified against USDA & KDOQI guidelines.
Purple Sweet Potato — Zi Shu — kidney-friendly food
CKD Daily Limit Impact
Phosphorus
5%
Sodium
2%
Potassium
16%
Based on CKD Stage 3-4 daily limits
🥦 Vegetables Avoid

Purple Sweet Potato — Zi Shu

Nutrition facts & CKD safety rating per 100gram serving

Serving Size 100.0 gram
5gram ← drag to adjust → 500gram
Calories
90 kcal
Protein
1.6 g
Carbs
21.0 g
Fat
0.1 g
Phosphorus Learn more →
50 mg
5% of 1,000mg daily CKD limit
50 mg
2% of 2,300mg daily CKD limit
Potassium Learn more →
320 mg
16% of 2,000mg daily CKD limit
Verdict: Avoid for CKD

Purple Sweet Potato — Zi Shu contains levels that significantly exceed CKD-friendly thresholds. Avoid this food regularly. If you must eat it (e.g., on a special occasion), keep portions tiny and adjust the rest of your day accordingly.

Always confirm with your nephrologist or renal dietitian — individual CKD stages and lab values vary.

Source & Notes

Imported from chinese-foods. Higher antioxidants. K similar.

Kidney-Friendly Alternatives

Looking for safer choices in Vegetables? Try these instead:

Frequently Asked Questions

Is Purple Sweet Potato — Zi Shu safe for people with kidney disease?
Purple Sweet Potato — Zi Shu is rated Avoid for CKD patients. Avoid or eat rarely if you have CKD. With 50.0mg phosphorus, 50.0mg sodium, and 320.0mg potassium per 100.0g serving, it is best avoided or eaten only on special occasions. Always confirm with your nephrologist or renal dietitian.
How much phosphorus is in Purple Sweet Potato — Zi Shu?
A 100.0g serving of Purple Sweet Potato — Zi Shu contains 50mg of phosphorus, which is approximately 5% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.
How much sodium is in Purple Sweet Potato — Zi Shu?
Per 100.0g serving, Purple Sweet Potato — Zi Shu provides 50mg of sodium — about 2% of the 2,300mg daily sodium limit recommended for kidney patients.
How much potassium is in Purple Sweet Potato — Zi Shu?
Purple Sweet Potato — Zi Shu contains 320mg of potassium per 100.0g serving, equivalent to about 16% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.
Can dialysis patients eat Purple Sweet Potato — Zi Shu?
Dialysis patients have stricter mineral limits. Given Purple Sweet Potato — Zi Shu is rated Avoid (Avoid or eat rarely if you have CKD), dialysis patients should consult their dietitian before consuming this food. Your dialysis team can give you personalised portion advice.

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Last updated: May 24, 2026 · Data source: USDA FoodData Central & KDOQI guidelines