The number of grains varies due to different sizes of goji berries and different humidity. So it is not possible to estimate how many grains there are in 20 grams of goji berries. Wolfberry a Chinese medicine name, for the eggplant Ningxia wolfberry mature fruit. Taste sweet, sex flat. Attributed to the liver, kidney meridian. This can nourish the liver and kidney, benefit the essence and brighten the eyes (tonic essence, promote vision recovery). It is used for deficiency of essence, soreness of waist and knees, dizziness and tinnitus, impotence and spermatorrhea, internal heat and thirst (internal heat accompanied by symptoms such as eating more, drinking more and urinating more), deficiency of blood and atrophy, and dizziness and uncertainty of the eyes. Clinically, wolfberry is often used in combination with hyssop, Radix Rehmanniae Praeparata, Radix Angelicae Sinensis, Semen Cuscutae, etc., but the medication should be used in accordance with the doctor’s prescription. People with spleen deficiency and loose stools (thin and unformed feces) should be cautious of taking wolfberry. Before taking this medicine, you need to be guided by a Chinese doctor to identify the evidence, and you should not take the medicine on your own, so as not to cause adverse effects on the body.