7 Top Immunity Foods for Cold and Flu Season
Kale
This crucifer offers more vitamin C than almost any other dark leafy green. Although C may not prevent you from getting sick if exposed to a virus, research indicates it can reduce an infection's symptoms and duration.
Get more: Steam kale for five minutes and toss with lemon juice, flaxseed oil, and cayenne; add to soups and pastas. Aim for two to three servings of C-rich fresh produce daily. Try this recipe: Toasted Quinoa with Kale and Pine Nuts.