As an all-star warrior that shortens the duration of colds and improves symptoms, vitamin C is an essential nutrient for cold-weather months, explains registered dietitian Michele Gilson of Kaiser Permanente. Yes, oranges are a good source, says Gilson, but so are root vegetables, which makes them a smart addition to soups and stews. Focus on beets, turnips, parsnips, and carrots, among many others.
Gilson says green tea is an ideal hot beverage choice for the winter season. It delivers minerals and vitamins that help build your immune system. “It has more health benefits than other caffeinated teas because of the way it’s processed: The leaves are dried and lightly steamed, not fermented like other black teas,” she explains. “The tea has catechins—a type of antioxidant—that can help ward off viruses.”
Here are some more surprising benefits of green tea.