Natures Sunshine Astragalus is useful to stimulate and support the immune system
It also helps to protect against free radical and oxidative damage, and is supportive for the circulatory system.
Astragalus contains saponins sterols isoflavones and polysaccaharides, which are useful to promote antioxodant activity against free radicals.
Astragalus is useful to support the production of stem cells in the marrow and lymph tissue, and it encourages their development into active immune cells.
It may also enhance the body's production of immunoglobulin and stimulate the macrophages.