In China Astragalus is called Huang Ch'i and is thought to be an energy and warming tonic for the body. In China ,people working in the cold will drink a tea made from Astragalus.
Recent studies have shown astragalus to support the immune system by suppressing the what is called "T Suppressor cells". T Suppressor cells can wreck havoc on your immune system.
You can add a handful of Astragalus to your winter soups and stews, let it cook with the vegetable. It's an added benefit to your warming healing soups!