Berries wolfberry 19 amino acids, including essential amino acids . It also contains minerals and trace elements like calcium, potassium, iron, zinc and selenium. Selenium and germanium are useful in the treatment of cancer. Vitamins Vitamin B1, B2, B6, C and E are also found in appreciable amounts. It contains carotenoids including β carotene, lutein, lycopene and xanthophyll . Content carotene is superior to the carrot which gives good antioxidant properties . It also contains essential fatty acids like the linoleicacid that promotes the loss of fat. Another property of Goji is its anti-aging properties, thanks to the large amount of antioxidants they have, which slows down the aging process. Goji berries are well considered when it comes to improve eyesight. It has been discovered that Goji fruits contain a high percentage of B-carotene (around 8 mg / 100 g) very biologically active.