Asparagus is a prebiotic food, which is a type of fibre called oligosaccharides that can't be broken down by the body.
Milk contains zinc and selenium. One cup of skim milk supplies 11% and 7% of the daily selenium and zinc requirements.
Broccoli has polyphenols that act as antioxidants and are good for the immune system. Broccoli also has a chemical called sulforaphane glucosinolate.
Studies on how chicken soup helps cure a cold, scientists did find that drinking chicken soup helped speed up the flow of mucus in the nose.
Some foods that keep you from getting sick, like ginger, are great because you can put them in soup.
Allicin, a sulfur-based compound found in garlic, has been shown to boost the immune system.
Live, active cultures in yogurt boost the immune system by regulating and helping the body create beneficial bacteria that fight against dangerous germs.
Fruits like oranges, lemons, limes, and grapefruits, which are all in the citrus family, have a lot of vitamin C.
Cauliflower is in the same family as cabbage, broccoli, mustard greens, and other similar vegetables.