The 8 Best Fruits and Vegetables for a Healthy Immune System, According to RDNs

Oranges

Rich in vitamin C, oranges boost immune function, enhance the production of white blood cells, and help protect against infections and inflammation.

Kiwifruit

Packed with vitamin C, vitamin K, and antioxidants, kiwifruit supports immune health, aids in wound healing, and helps reduce oxidative stress.

Red Bell Peppers

High in vitamin C and beta-carotene, red bell peppers strengthen the immune system, enhance skin health, and provide potent antioxidant protection.

Broccoli

Rich in vitamins C and K, fiber, and antioxidants, broccoli supports immune health, aids digestion, and helps combat oxidative stress and inflammation.

Spinach

Packed with vitamins A, C, and E, and antioxidants, spinach supports immune function, reduces inflammation, and promotes overall health and well-being.

Garlic

Known for its immune-boosting properties, garlic contains allicin, which enhances white blood cell activity and helps fight off infections and illnesses.

Berries

Blueberries, strawberries, and raspberries are rich in antioxidants and vitamin C, which support immune function, combat oxidative stress, and reduce inflammation.

Tomatoes

Rich in vitamin C and lycopene, tomatoes support immune health, provide antioxidant protection, and help reduce inflammation and oxidative stress.

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