The healing properties of manglier were historically known to Native American, Black, Creole and Cajun communities, where the leaves were often brewed as a tea and taken as a remedy for fevers and respiratory illness. It is an immunity booster, treats diabetes and respiratory infections. It is an excellent remedy for fevers, chills, congestion, and other cold or pneumonia type symptoms. Manglier is a triterpenoid and can help fight viruses and control inflammation.