The only clinically proven herbal formula for COPD (Heaves). Anti-infective. Reduces coughs, congestion and other respiratory problems. Strengthens the respiratory system. Contains: Eucalyptus accidentalis (Bronchodilator), Garlic (Allium sativum) Anti-Oxidant, Horehound (Marrubium sp) Antispasmodic, Fennel Seed (Bronchodilator) and Hyssop (Bronchodilator).