Ephedra's action is similar to epinephrine or adrenalin. Although much less potent, its beneficial effects are considerably longer in duration. Peppermint is added for its antiviral activity. Mullein has antibiotic and antiviral activity.
Dandelion root is effective for upper respiratory infections, pneumonia and chronic bronchitis.
Echinacea stimulates the lymphatic system, is strongly antiviral, a smooth muscle relaxant and effective for certain allergies. Effective temporary relief of nasal and sinus congestion associated with hay fever, allergies, sinusitis and the common cold. Relaxes smooth bronchial muscles during asthma attacks. Relieves swelling of mucous membranes. Opens congested sinus, nasal, and upper bronchial passages.