7 Little Known Immune System Vitamins There are a number of
immune system vitamins that give your immunity a little kick.
The immune system is what enables your body to fight off colds,
cancer and infections. Below are some of the little known
immunity-enhancing vitamins and what foods contain the most of
them. 1. Beta Carotene Beta carotene and other carotenoids have
antioxidant activity. Beta carotene stimulates the immune system
and increases the number of cells that fight infection. Beta
carotene is a precursor to vitamin A, another antioxidant which
is also good for the immune system. Foods high in beta carotene
include carrots, pumpkins and sweet potatoes. Bioflavonoids are
sometimes called vitamin P, though they are not true vitamins
because they must be obtained through diet or supplementation.
This is because the body does not manufacture or store them.
Bioflavonoids help prevent viruses from getting through the
capillary walls. Bioflavonoids are usually combined with the
better-known immune enhancer