Best Iodine-Rich Foods for Cats

Ranked by iodine content among foods safe for cats in the Creature Feast catalog.

Tuna per 100g cooked: 10–20mcg iodine Tuna is a concentrated iodine source from the marine environment. Seawater fish generally provide more iodine than freshwater species.

Salmon per 100g cooked: 8–15mcg iodine Salmon provides reliable iodine from its marine origin, contributing to thyroid health alongside selenium.

Canned Sardines per 100g: 10–20mcg iodine Canned sardines provide marine-sourced iodine. Their small size means lower mercury risk compared to larger fish.

Eggs per large egg: 20–25mcg iodine Eggs contain modest iodine, primarily in the yolk. The iodine content depends on the laying hen's diet.

Turkey per 100g cooked: 3–5mcg iodine Turkey provides trace iodine, contributing modestly to overall iodine intake.