A powerful herbal formula made from dried ivy leaf to soothe the throat and help clear the airwaysClinicians Prospan® Bronchial Syrup is a powerful herbal formula made from dried ivy leaf to soothe the throat and help clear the airways. It also helps thin mucous and moistens dry irritated membranes of the airways and is a well-tolerated formula suitable for children under 2. Prospan is sold in 102 countries as well as being the market leader in 35 countries. Add to that 65,000 patient trials proving its effectiveness, and more than 35 publications on clinical and non-clinical data, and it is no surprise that Prospan is considered the number 1 Ivy Leaf formula in the world.