The immune system protects the body from outside invaders, including germs, viruses, fungi, and toxins. The system is made up of various organs, cells, and proteins that work together. However, for the immune system to function correctly, one has to live a healthy lifestyle. This includes following a suitable meal plan that can benefit their overall health. So here are six foods one should eat to boost their immune system. Blueberries These berries are rich in multiple properties that can benefit the body. Blueberries contain a flavonoid called anthocyanin, which possesses antioxidant properties to boost the immune system. The berries help boost the respiratory tract’s immune defense system. Dark chocolate The human body is often susceptible to developing free radicals, created when the body breaks down food or comes in contact with pollutants. The radicals can damage healthy cells if they make contact. Dark chocolate is abundant in the antioxidant theobromine. This can help strengthen the immune system, which can fight off such free radicals. Broccoli Adding this vegetable to one’s meals may help improve vitamin C levels. Broccoli also contains potent antioxidants, including sulforaphane. The respective vitamins and antioxidants are important to support the immune system. Ginger Ginger has been used in several cooking recipes for centuries because of its powerful healing capabilities.