Black goji berries, red goji berries are Chinese medicine goji berries, there is no difference between the efficacy of the two. Goji berries and mulberries in water have the effect of nourishing the liver and kidney. But the medicinal efficacy of medicines in water is limited, it is recommended that the professional physician to identify and guide the use of medicines. Wolfberry has the effect of nourishing the liver and kidneys, benefiting the essence and brightening the eyes (replenishing the essence and promoting the recovery of eyesight), and can be used to treat lumbar and knee pain caused by deficiency of essence, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal fever accompanied by more food, more drinking and more urination, etc.), blood atrophy and yellowish deficiency, and unclear eyesight. The adverse reactions and contraindications of this product are not clear. Mulberry has the effects of nourishing Yin and tonifying Blood, generating fluids and moistening dryness, and can be used to treat diseases caused by Yin deficiency of the liver and kidney, such as dizziness, tinnitus, palpitations, insomnia, premature graying of hair, thirst, internal heat and thirst, constipation and dryness of bowels. Be cautious of using this product if you have loose stools. When discomfort occurs, it is necessary to consult a doctor in time and choose medication under the guidance of physician’s diagnosis, and not to use medication on one’s own, so as not to delay the condition.