Host Defense Breathe is an all-natural dietary supplement that helps to support respiratory health. It is made with certified organic mushrooms and other natural ingredients. This blend is designed to help promote healthy lung tissue and overall respiratory system health. It can also help to reduce occasional allergy-related symptoms. Host Defense Breathe is vegan, gluten-free, and non-GMO, making it a great choice for those looking to support their respiratory health in a natural way.