The product can be used as an erection aid, but it can be used as an erection aid, and it can be used as an erection aid. 1, from the point of view of efficacy, many oral erection aid products can be clinically effective, and can also assist in regulating other aspects of the body, but the effect is relatively slow; and some delayed spray can not only help erection, but also extend the time, and even improve premature ejaculation, but also to a certain extent to inhibit bacteria, sterilization and sterilization. 2, from the side effects, some oral erection products may produce certain side effects, such as headaches, indigestion, abdominal pain, prostate enlargement, etc.; and the vast majority of topical sprays are no obvious side effects, safety performance is better than the oral, a small number of people may have mild allergic reactions to the skin after the use of sprays. 3. From the point of view of the use of the spray for external use may be relatively more convenient, but also accepted by more people. But also pay attention to the appropriate use, not recommended for long-term frequent use, in order to avoid other side effects. If you have erectile dysfunction, you also need to go to a regular hospital for examination, after clear reasons to choose the right treatment, it is best not to blindly use erection products.