Respiratory Support & Defense™ is designed to nourish and support the entire respiratory system.* It supplies a robust blend of 14 botanicals including Fenugreek and Marshmallow. Plus it features NAC – a powerful amino acid to help maintain clear bronchial airways and boost levels of glutathione (a major antioxidant for the respiratory tract and lungs).* This product can be taken everyday for health maintenance or as needed for targeted support.