chinese wolfberry dried fruit, otherwise known to chinese herbalists as gojizi ,is a bright red, almost chewy berry with a taste very similar to raisins. it has been used as a general nutrient tonic for many years and chinese medicine refers to it as a "cooling tonic".in addition to its seemingly successful use of erection problems, wolfberry is also widely used as a general health tonic, capable of removing harmful toxins from the body. the fruit is one of the most popular tonics used in chinese herbal medicine today and a decoction is typically used to clear the vision, strengthen the kidneys, and nourish the liver.