Tambula Lehyam Introduction Tambula Lehyam also known as Thamboola lehyam is an herbal formulation which aids in curing respiratory disorders like cold, cough, and asthma to name a few. Tambula is referred to a betel leaf which is the key ingredient of this formulation. Ingredients Betel leaf extract (Piper betel) Himamshu (Bambusa bambos) Long pepper (Piper longum) Cumin (Cuminum cyminum) Sugar Honey Method of Preparation Clean all the ingredients and make a water decoction of Piper betel. After the decoction