Plant-Based Foods That Boost Your Immunity

Onions

Onions, like garlic, contain allicin. They also contain quercetin, a nutrient that breaks up mucus in your head and chest while boosting your immune system. Additionally, the pungency of onions increases your blood circulation and makes you sweat, which is helpful during cold weather to help prevent infections. Consuming raw onion within a few hours of the first symptoms of a cold or flu produces a strong immune effect.

Chopping onions into your favorite soup or cooked recipe is a great way to enjoy them. Also, it may sound a little weird, but putting half an onion in your bedroom while you sleep can help absorb some of the circulating bacteria and potentially lessen the symptoms of your cold.