Astragalus also known as Huang Qi, has been used in Traditional Chinese medicine for centuries. It is believed to support immune health, reduce inflammation, and support lung health. It may support healthy white blood cell function, and help to counteract the effect that stress has on the body. - Potent 20:1 Extract, 1g extract = 20g dried herb (Twice as strong as 10:1). - Sourced from Certified Organic Growers. - Free from fillers. - Lab-tested for heavy metals and contaminants.