Black wolfberry and black fruit wolfberry, belonging to the genus Lycium of the family Solanaceae, are mainly distributed in Qinghai, Ningxia, Xinjiang, Gansu, Shaanxi and other places in China. Black wolfberry taste sweet, calm, rich in protein, wolfberry polysaccharide, amino acids, vitamins, minerals, trace elements and other nutrients. It is also rich in black fruit pigments, proanthocyanidins, which are several times more than blueberries. Proanthocyanidins are highly effective natural water-soluble free radical scavengers, which are 20 times more effective than vitamin C and 50 times more effective than vitamin E. The extract of black goji berry has the efficacy of antioxidant, hypolipidemic, hypoglycemic, immunomodulatory, delaying aging, and preventing and treating cardiovascular diseases. Long-term use of wild wolfberry tea drinking, has obvious liver protection, anti-aging, improve sleep and other effects. Black wolfberry can be chewed in the mouth and eaten, but also warm water to make tea or wine references. Adults 3-6 grams per day, you can also increase or decrease the amount according to their own condition.