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Can cats eat store-bought mushrooms?

A little

Cooked store-bought mushrooms in small amounts are fine — never wild mushrooms.

How much

Up to per day 10g about 2 pieces · 1/4 button mushroom ≈ 5 g

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

PreparationCooked plain, chopped.

Why

Edible mushrooms aren't toxic but are hard to digest and often cooked with garlic or butter. Wild mushrooms are dangerous (see wild mushrooms).

If your cat has a condition

  • Kidney disease A little High ratio, but this portion has only 11 mg phosphorus. Phosphorus 7,400 mg/1000kcal
  • Diabetes OK to give At this portion it is only 0.4 g of carbohydrate. Carbs 97% of calories
  • Heart disease (HCM) OK to give Low in salt. Sodium 333 mg/1000kcal
  • Urinary stones OK to give No specific stone concern known — water intake matters more.

Nutrition per 100 g

Nutrients per 100 g, with phosphorus also shown per 1000 kcal
Calories15 kcal
Protein3.15 g
Fat0.26 g
Carbohydrate3.63 g
Phosphorus111 mg 7,400 mg/1000kcal
Sodium5 mg
Potassium351 mg

Source: Korea MFDS Food Nutrient Database — 양송이버섯_데친것

SourcesReviewed 2026-10-24

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