Deer penis strengthens yang, pilose antler ginseng medlar tonifies kidney, and my own wine is this formula, which is quite effective in treating kidney deficiency. You can try it yourself. However, it must be soaked in white wine with a temperature of more than 60 degrees, and each time it is taken, it cannot exceed 3 Liang, and it is generally controlled between 2-2.5 Liang.