Historically, hibiscus tea has been used in African countries to decrease body temperature, treat heart disease, and sooth a sore throat. In Iran, hibiscus tea is used to treat high blood pressure.

Recent studies have looked at the possible role of hibiscus in the treatment of high blood pressure and high cholesterol...

Echinacea is currently widely valued by the international community as an immune promoter and immunomodulant, its extract and preparation sales in the United States pharmaceutical market ranked in the top 5. At present, Echinacea in China's Beijing, Shanghai and Changsha and other places have been successfully introduced...