Integrative Therapeutics Muca Clear OTC supports the loosening of phlegm from respiratory airways due to bronchial irritations. Helps relive chest congestion. Vegan formula. Recommended Use: Adults & children 12 years of age and older: Take 1-2 tablets every 4 hours, not to exceed 12 tablets in 24 hours. Children 6-11 years of age: Take 1/2 -1 tablet every 4 hours, not to exceed 6 tablets in 24 hours. Children under 6 years of age: Consult a physician.