Nowadays, everybody knows the medicine called Viagra and what it is prescribed for. Its international name is sildenafil citrate that initially was considered to be the medicine against high blood pressure and angina pectiris. Later it was discovered that its effect on heart blood circulation is very little but its effect on penis blood circulation is way more considerable. Since 1998 the pharmaceutical company Pfizer produces the medicine called Viagra that became principal treatment for erectile dysfunction. Nowadays one can find this product almost in every pharmacy there are even websites that offer viagra online. It is easier to get viagra online because it can be delivered, but online pharmacies still require doctor's prescription .

While viagra is widely known and there is hardly a person who hasn't heard about it, the majority of people ignore natural viagra and viagra no prescription alternative. Nevertheless there are medicines with the same effect but that contain natural compounds. The most known among no prescription drugs is ginkgo biloba, a herb that helps memory boosting but also works as viagra. Another viagra alternatives are arginine and DHEA. Arginine that is sold under the name L-arginine is an amino acid that is one of the main compounds of a human body. It also has different effects and besides erectile dysfunction treat kidney diseases, is used like prophylactic against several illnesses. DHEA is a hormone that helps body to produce estrogen and testosterone. The advantage of these medicines is that they are available without prescription but prescription pills will save you from side effects resulting from your health condition and interaction with other preparations (because your doctor will allow for all these details and particularities of your health status while prescribing you viagra). Just like viagra you can get no prescription pills on-line.