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Can cats eat sweet potato?

A little

Cooked only, up to a teaspoon — too starchy for diabetic cats.

How much

Up to per day 10g about 2 pieces · 1 teaspoon ≈ 5 g

4 kg adult cat, treats ≤10% of ~200 kcal/day

PreparationSteamed and mashed.

Why

Cooked sweet potato isn't toxic but is mostly starch, offering little a cat needs. Raw is indigestible. It contains some oxalate.

If your cat has a condition

  • Kidney disease OK to give Lower than the 2,000 mg/1000kcal kidney-diet line. Phosphorus 319 mg/1000kcal
  • Diabetes Avoid Mostly sugar or starch — skip it for diabetic cats. Carbs 97% of calories
  • Heart disease (HCM) OK to give Low in salt. Sodium 37 mg/1000kcal
  • Urinary stones A little Contains oxalate — limit with a calcium oxalate stone history.

Nutrition per 100 g

Nutrients per 100 g, with phosphorus also shown per 1000 kcal
Calories163 kcal
Protein1.08 g
Fat0.15 g
Carbohydrate39.41 g
Phosphorus52 mg 319 mg/1000kcal
Sodium6 mg
Potassium428 mg

Source: Korea MFDS Food Nutrient Database — 고구마_찐것

SourcesReviewed 2026-10-24