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Can cats eat wakame seaweed?

A little

A fingernail of soaked wakame — very high in iodine, and seaweed soup is seasoned.

How much

Up to per day 2g about 2 pieces · 1 fingernail-size piece ≈ 1 g

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

PreparationSoaked, a tiny piece.

Why

Wakame and kelp are extremely iodine-rich and can affect the thyroid with frequent feeding. Dried seaweed expands in the stomach — soak it and give very little.

If your cat has a condition

  • Kidney disease A little High ratio, but this portion has only 1 mg phosphorus. Phosphorus 4,154 mg/1000kcal
  • Diabetes OK to give At this portion it is only 0.1 g of carbohydrate. Carbs 100% of calories
  • Heart disease (HCM) A little Salty for its calories, but this portion has only 7 mg sodium. Sodium 27,769 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
Calories13 kcal
Protein1.68 g
Fat0.29 g
Carbohydrate3.7 g
Phosphorus54 mg 4,154 mg/1000kcal
Sodium361 mg
Potassium1112 mg

Source: Korea MFDS Food Nutrient Database — 미역류_미역_줄기_생것_대표_평균

SourcesReviewed 2026-10-24

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