5. Chow down on a raw onion
Onions can help you fight a cold for two reasons. First, they are naturally antimicrobial, especially when they haven’t been cooked. “They also contain a lot of sulfur, which is helpful for both immune responsiveness and detoxification,” explains Solomonian. Try using raw onions in a homemade cough syrup, or swap some of its antimicrobial benefits for taste by cooking it in a chicken or vegetable broth—another tried and tested home remedy.