Clinicians Herbal Bronchial Liquidresearch based warming bronchial liquid to support relaxed airways for easy breathing and lung health. Herbal Bronchial Liquid is a research-based formula that supports easy breathing, relaxing and soothing the airways. A unique combination of Aniseed, Echinacea, Pelargonium and Elecampane to support the respiratory tract. These herbs provide support from throat to lung, for clear airways, comfortable breathing and also a immune system health.