4. AVOCADOS
Avocado is another food that can boost the immune system. Research has found that avocado can lower cholesterol level by about 22 percent, as well as reduce the risk of heart disease.
5. FISH
Fishes such as shellfish and selenium, mackerel, herring and salmon also play an important role in the boosting of the immune system. Shellfish and selenium boosts the white blood cells and this would strengthen the body to get rid of flu causing viruses. Mackerels and Salmon however are rich in omega-3 fat; they protect the lungs from respiratory infection, fight off cold as well as reduce inflammation.
6. SPINACH
Spinach is a healthy vegetable that’s as well flavourless; but what it lacks in flavour, it has in abundance in nutrients and vitality. Spinach is good for the eye health as the lutein and zeaxanthin it contains help for proper eye function. Spinach contains antibodies that helps fight cancer as well.
7. WATERMELON
One of the most hydrating fruit available, watermelon contains about 92 percent water. It also contains a powerful antioxidant called glutathione which helps strengthen the immune system and fight infection.
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