"As with all upper respiratory congestion of the lungs and sinuses, Chinese ephedra, also popularly known as mahuang, is very effective."
"Its most active -- and controversial -- ingredients are two stimulants: 40 milligrams of caffeine (about what you get in a shot of espresso) and 12 milligrams of ephedra, which is derived from a Chinese herb called mahuang."
"Mullein Lung Complex formula number 64 contains mahuang in a mild, balanced dose and is effective for allergic rhinitis."