PET WELLBEING LUNG GOLD 4OZWhat is Lung Gold? Lung Gold is a combination of natural herbal ingredients and Vitamin C designed to help maintain strong immunity in the lower respiratory system of canines. For symptoms in the upper respiratory tract (runny eyes & nose, sneezing, hoarse throat and dry, hacking cough), you'll want to look at Throat Gold. For symptom management of asthma, consider Respir Gold. Lung Gold was developed by our holistic veterinarian to help dogs boost