There are over 2,000 unique species of the herb, but when you buy astragalus in a natural health store or online, you’re likely getting one of two primary varieties: Astragalus membranaceus or Astragalus mongholicus.
Here in the United States, astragalus started gaining popularity in the 1980s, however scientific exploration of the herb is limited, thus so is evidence of its efficacy. Still, lack of hard data has not reduced its appeal, especially for natural seasonal wellness support.
Here’s what the NOW Foods Astragalus supplement info states about the herb:
For more than 2,000 years, Chinese herbalists have valued astragalus for its adaptogenic properties, as well as for its ability to tonify the body's "vital force" known as the Qi. More recently, astragalus has been found to support healthy immune function through numerous mechanisms. Non-clinical studies using astragalus have demonstrated its ability to stimulate the production of and increase the activity of specialized white blood cells, such as T-Cells and Natural Killer Cells. Astragalus has also been studied for its role in the support of healthy liver and vascular function. Herbalists recommend the use of astragalus both seasonally and year-round to support a healthy immune system.
Looking to buy astragalus supplements? See your options here.