difference between black and red wolfberry

What’s the difference between black wolfberry and red wolfberry?

Black wolfberry, also known as black fruit wolfberry, is mainly distributed in the remote areas of Qinghai, Xinjiang, Gansu, Inner Mongolia, etc. in the northwest border of China. The best wild black wolfberry in the world comes from the core production area of Nomuhong in Qaidam Basin of Qinghai, the basin desert area with an altitude of 3000 meters. It has high altitude, dry climate, large temperature difference between day and night, clean ecological environment and no pollution.