If someone is searching for the active ED ingredient Sildenafil online, they  likely already know that it’s designed to help men treat erectile dysfunction (ED). ED is known as one of the most common medical conditions in the world, with 30 million men experiencing it in the US alone. Information found about Sildenafil online shows that treating the condition can be the key to improving relationships and infusing some fun back into life. Is Sildenafil a Prescription Medication? Yes, Sildenafil can only be obtained with the help of a licensed healthcare provider. The active ingredient in Viagra, Sildenafil is a...