Fruits are a powerhouse of essential vitamins, minerals, and antioxidants, all of which play a key role in strengthening the immune system. Citrus fruits like oranges, lemons, and grapefruits are rich in vitamin C, a nutrient known for its immune-boosting properties. Berries, such as strawberries, blueberries, and raspberries, are also excellent choices, containing antioxidants like flavonoids that help reduce inflammation ...
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