Scientific studies on ephedra show that it is very safe. Chinese ephedra also has 5,000 years of recorded use in China. Horehound is a natural expectorant. White Willow provides gentle relief. Licorice Root exerts a beneficial influence on the lungs and gastrointestinal tract.
Lobelia is a powerful relaxant without harmful effects.
Chickweed is rich in many nutrients. Mullein contains properties which are soothing to the lungs. Echinacea is known to support the immune system. Golden Seal Root benefits the liver and mucous membranes. Cayenne is high in vitamins and minerals.