"Saibago" located along the Yellow River, in Qing Tong Xia, Ning Xia, China. This area has over 1, 200 years of history in cultivating Goji berries. Plentiful sunlight, large temperature differences between day and night, just the right amount of soil moisture content and soluble salts irrigated from the yellow river are all factors that make goji berries grown in this area, the absolute best goji; "Saibago" Goji berries are rich in Vitamin A, B1, B2, B6, C, E. They also contain 18 amino acids, and 21 trace minerals and protein...It is Said to provide "eternal youth" based on its powerful antioxidant and anti-cancer properties. Saibago Ning Xia goji berries will not stick together and is sweet, unlike the goji berries from other areas which will be bitter or sour Or Tend to clump together.