Natural Defenses- Stay Healthy with these top immune-boosting foods

ONION: This veggie is high in quercetin, a powerful antioxidant known for its antiviral properties.

GREEN TEA: EGCG, abundant in green tea, is one of the most powerful antioxidants found in plants. This compound protects a variety of cells from being weakened and shields them from potential harm.

OYSTERS: These are packed with zinc, providing 700% of your Daily Value in just 3 ounces.

BUTTERNUT SQUASH: This is packed with beta-carotene, which the body converts to vitamin A. This vitamin maintains the body's protective layers, including skin and sinus passages.