Ramulus Cinnamoni. Part used: Twig. Know as Cinnamon Twig. Releases the exterior, assists Yang, adjusts the Ying and Wei and releases the muscle layer. Warms the channels and collaterals the relieve pain. Unblocks Yang and transforms Qi and thin mucus. Assists heart Yang and warms and facilitates the flow of Yang Qi in the chest. Warms and facilitates the flow of Qi through the channels and collaterals and blood through the vessels. Warms the Middle and direct turbid Yin downward. Entering Meridians: Heart, Lung and Bladder. All Phoenix Medical dry authentic herbs and concentrated herbal granules are free of sulphur, herbicides and pesticides.