Premium Herbal Vegetarian Vcaps Certified 470 mg Dietary Supplement Did You Know? Early Chinese writings refer to Astragalus as "The Superior Tonic." It ranks as one of China's most important herbal medicines and is commonly used in Chinese cuisine. Healthy & longevity through the healing power of nature-that's what it means to Trust the Leaf. Astragalus (Astragalus membranaceus) is considered to have a normalizing effect on body functions. It is harvested wild in Northern China and Mongolia. Our Astragalus is carefully grown, tested and produced to certified quality standards.