Red date (Hong Zao) is a gentle Qi and Blood tonic, and Shen (spirit and mind) calming herb. It is used in herbal formulas to mitigate any toxicity from the other ingredients. Red date is used in China and Taiwan to protect the Liver from anesthesia, such as after C-section.* Due to its sweet taste, red date is often added to recipes and teas. It is by far the best tasting detox herb.