From the Manufacturer's Label:
ClearLungs Extra Strength combines homeopathic lung decongestants with a Chinese herbal formula for free breathing and lung health.**
RidgeCrest Herbals specializes in complex natural formulas for specific health needs. Homeopathic medicines have been used for over 200 years throughout the world. Chinese herbs have been used for thousands of years throughout Asia**Contains No: corn, dairy, gluten, soy, wheat, yeast, or animal products.