Ku Ding Cha (Bitter Nail Tea)

Considerable health benefit is attributed to Ku Ding Cha. In traditional Chinese medicine terms, it is used to disperse wind-heat, clear the head and the eyes, and resolve toxin, thus being used for common cold, rhinitis, itching eyes, red eyes, and headache. In addition, it is said to calm fidgets and alleviate thirst, especially when one is suffering from a disease that causes fever or severe diarrhea. It transforms phlegm and alleviates coughing, thus used in treating bronchitis. Finally, it is said to invigorate digestion and improve mental focus and memory.