For adults when taking Jingo take one capsule can be. If you have a high body weight, then you can take two capsules, and two capsules can last 4-5 hours. But for most people it is not recommended to overdose, because overdose may lead to prolonged erection. This situation can be relieved by drinking more water. Of course, Jingo this product also has a contraindication crowd, if the patient himself suffers from heart disease or other chronic diseases, then it is not recommended to take it, and we overdose may also have a certain impact on the blood pressure.