A warm bowl of chicken soup, or any clear broths soup for that matter, is an essential food item that is easy to digest when you don't have much of an appetite. Chicken soup will not only keep you hydrated, but also keep you fuller longer. The lean protein in chicken will help your body fight off infection, while the warm broth will relieve congestion ad keep you warm when you are feeling cold. The broth also helps to restore the fluid you lose when you are sick.
It is important to consume enough protein to help strengthen your body. Since your stomach won't have easy time digesting tough meat like steak, choose easily digestible proteins, such as cottage cheese, to power your muscles.
Having strong immune system will help you recover faster. A diet high in vitamin C will do the job. Rather than taking vitamin C supplements, get it straight from the source so that your body absorbs this nutrient faster. Citrus fruits, such as oranges and grapefruits, have the most abundant vitamin C. Don't peel off the soft white skin because these contain flavonoids, which increase immune system activity.