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Viagra as mentioned above has another name, sildenafil; this is because it is made from the ingredient sildenafil citrate. It helps males get erections and maintain them for a longer period of time by introducing a specific enzyme to the body. cGMP type 5 is introduce to prolong the degrading of the natural cGMP that is produce in the body, this is what controls specific blood flow to the penis. It most often comes in the form of small oval shaped blue pills; these pills can be of different strength however it is either labelled on the tablet itself or the packaging. The most common strengths of Viagra are 25, 50 or 100 milligrams and you should never require anything stronger than this. It is recommended that the user only take 1 pill maximum in a 24 hour period and that it is best to take roughly 30 minutes to an hour before any sexual activity begins. buy viagra online Are there any downsides or side effects of taking Viagra? buy viagra now If you are considering taking Viagra you should primarily understand what is Viagra and also that it is a strictly prescription based drug. It is legal to possess the drug however you cannot sell it by any circumstances; the Viagra should only be obtained after a professional doctor has provided a subscription. Qualifying for Viagra is not the easiest thing and you will have to talk to your doctor at some point.

Although Viagra does not impose any direct help risks, there are certain circumstances where you should avoid using it.