[Recipe] Ophiopogon japonicus or Mai Dong (麦冬) is a popular TCM herb and its benefits include the following: - nourishing yin and moistening the lungs - promoting body fluid production and quenching thirst - calming the heart and relieving irritability - moistening the intestines and promoting bowel movements It is suitable for symptoms such as dry cough due to lung dryness, yin deficiency with internal heat, insomnia caused by irritability, thirst due to fluid depletion, and constipation due to