Whole Loose Sweet Tea Our whole loose tea is made from Chinese Blackberry leaves (Rubus Suavissimus S. Lee). The Chinese Blackberry leaves contain a natural sweetener called Rubusoside, which gives this tea its sweet taste.         Ground Loose Sweet Tea Our ground loose tea is made from Chinese Blackberry leaves (Rubus Suavissimus S. Lee). The Chinese Blackberry leaves contain a natural sweetener called Rubusoside, which gives this tea its sweet taste.         Prepackaged Sweet Tea Our pre-packaged tea is made from Chinese Blackberry leaves (Rubus Suavissimus S. Lee). This tea is known as "Sweet Tea" due to its sweet taste. Great care is taken to produce this tea in such a way that it contains no additives.