Roselle (Hibiscus sabdariffa) has long been a good material for a caffeine-free drink to improve healthiness. They are rich in polyphenols, anthocyanins, natural organic acids, pectin, vitamin C, iron, calcium and magnesium. SunTivas Roselle Extract is made from selected high-quality roselle calyces from Sudan and Egypt, as they produce the best roselle. 150- time extraction and concentration, and freeze-drying for powderization. Also, it is easy to dissolve in cold or warm water for roselle tea preparation. Simply drinking one to two cups a day would be beneficial to your health.