Search for information on superfoods and you’re likely to find more than you can digest in one sitting. This is due, in part, to the very informal definition of “superfood.” Though there’s some debate about what gives a food superfood status — or even whether there's any such thing — most proponents of the idea agree that superfoods are nutrient-dense, meaning they deliver a large number of nutrients for a relatively low number of calories. Eating even a very small amount of these foods can be beneficial for health and overall well-being. Though some of the most popular superfoods are exotic fruits and warm-weather produce, there are a number of nutrient-dense foods available during the colder months and cooking with these ingredients can help keep you healthy — even during the peak of cold and flu season.superfoods is that many are rich in immune-boosting vitamins; vitamin A, vitamin C, and zinc all play a unique role in a healthy and well-functioning immune system. Root vegetables that are available during colder months like carrots and sweet potatoes are a good source of vitamin A-producing beta-carotene (“vitamin A deficiency is associated with impaired immunity and increased risk of infectious disease”) and citrus fruits are often high in vitamin C (which can help reduce the duration of an illness). This is good news when it comes to fighting the common cold and flu.
This story was orginally published on February 4, 2015.