... blood lipids, blood serum cholesterol, triglyceride act. SpecificationsBlack tea extract 30%-90% polyphenols Product Specification :30%-90% ... tea formed more active ingredients and theaflavins. They contain high amounts of Vitamin C, along with calcium, potassium, magnesium, iron ... , zinc, sodium, copper, manganese, and fluoride. They also have more anti-oxidants than green tea, and are ...