Oregano has long been used in traditional medicine to treat respiratory conditions, including asthma, cough, and bronchitis. Oil of oregano is said to have antioxidant, antibacterial, and anti-inflammatory properties that may treat infection, improve gut health, and more. Sorry, we no longer carry 4 oz bottles. Sizes available are 1 oz and 2 oz *This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.