Special edition: Immune support
Another herbal on the list is Astragalus – the traditional Chinese herb touted to support the body's natural defenses.
While numerous finished products exist on the shelves on health stores, the National Center for Complementary and Alternative Medicine (NCCAM) states that evidence for astragalus for any health condition is limited.
“High-quality clinical trials (studies in people) are generally lacking,” they wrote.
“There is some preliminary evidence to suggest that astragalus, either alone or in combination with other herbs, may have potential benefits for the immune system […]”