There are many brands of delay drugs, such as zinc oyster slices, which have a good effect. Zinc oyster slices contain 55 kinds of nutrients, which can improve human fatigue and control the transmission of central nervous system. Zinc oyster slices can regulate the physiological dysfunction of men, and men can quickly erect after taking zinc oyster slices, and can also achieve the effect of repeated erection. Zinc oyster slices have no side effects on human body, and the dosage can be taken according to the instructions. There are also Maka Yikang, Liuwei Dihuang Pill, Viagra and so on.