Best Selenium-Rich Foods for Cats

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

Tuna per 100g cooked: 60–90mcg selenium Tuna is one of the richest selenium sources available, providing significant amounts per serving. Feed in moderation due to mercury content.

Salmon per 100g cooked: 30–45mcg selenium Salmon is an excellent selenium source that also delivers omega-3 fatty acids. The combination of selenium and omega-3 provides complementary antioxidant benefits.

Turkey per 100g cooked: 25–35mcg selenium Turkey provides a reliable selenium source. The selenium content is consistent across both white and dark meat.

Chicken Breast per 100g cooked: 20–30mcg selenium Chicken breast delivers meaningful selenium per serving alongside its excellent protein profile.

Eggs per large egg: 15–20mcg selenium Eggs provide a moderate selenium boost with each serving. The selenium content varies based on the hen's diet.

Canned Sardines per 100g: 40–55mcg selenium Canned sardines offer selenium as part of their impressive micronutrient profile, alongside calcium and omega-3s.