Dong Quai Root has been used in China for health and longevity for over 2,000 years. This herb is also known as the ultimate extract for women due to its ability to help balance the menstrual system and relieve pain. When combined with other herbs and extracts from the same family or related in Chinese Medicine, more powerful effects and additional benefits may arise. This ingredient may be added to foods and beverages or smoothies and green drinks. It is a light to medium brown powder and has no preservatives. PFL Non-GMO Pesticide Free powder extracts are not ETO Treated or Gamma Irradiated. Some typically gummy, oily or damp extracts require an anti-caking agent to maintain its powder form. Non-GMO and/or Organic Tapioca maltodextrins are typically used, in as small amounts as possible. If used, PFL will list it on our label. Most extracts require its use, whether other suppliers disclose it or not. Review the safety article at Prescribed For Life for more information.