Astragalus extract is standardized to 0.5% astragalosides, one of the most studied components. It ranks as one of China's most important herbal medicines and is commonly used in Chinese cuisine. Astragalus has been used in Chinese medicine for centuries for its immune support and normalizing effect on body function. Early Chinese writing refer to Astragalus as the superior Tonic. Astragalus is considered to have a normalizing effect on the body's functions. Astragalus is an important herb in Chinese medicine and is commonly included in Chinese cuisine.