100% natural, no additives, no artificial colouring material, very rich in proanthocyanidins. 
The goji berry, also called the wolfberry, is a bright orange-red berry that comes from a shrub that's native to China. In Asia, goji berries 
have been eaten for generations in the hope of living longer.Over time, people have used goji berries to try to treat many common health problems
 like diabetes, high blood pressure, fever, and age-related eye problems. Goji berries are eaten raw, cooked, or dried (like raisins) and are used
 in herbal teas, juices, wines, and medicines.
How to use: 3 - 6 grams of black Goji eah time, simply serve with hot water. Could drink daily.