Professional Formulas Heart/Lung Drops is a homeopathic formula offering sarcode support for the lungs and heart. For the temporary relief of shortness of breath, wheezing, mild chest tightness, cough, or lack of energy. Recommended Use: Place drops under tongue 30 minutes before/after meals. Adults and children 12 years and over: Take 10 drops up to 3 times per day. Consult a physician for use in children under 12 years of age.