Green tea is another great beverage to enjoy to bolster your body's natural defenses. Green tea is rich in beneficial polyphenol flavonoids that provide myriad health benefits, from reducing the risk of heart disease and certain cancers to managing systemic inflammation.
According to a study published in the journal Molecules, green tea strengthens immunity through its antioxidants that help protect cells against oxidation and reactive oxygen species. Green tea is thought to protect against diseases and infections by its antioxidant capacity as well as many other proposed pathways. It is also calorie-free and has a long history of being enjoyed for its numerous health-promoting benefits.