The ingredients of the brand and generic are listed below: Viagra Pfizer Ingredients. When that happens, this version is known as the generic. Answered By: Dr. Go to Was this article useful? You could end up with the same bang for much less buck.More about Viagra Generic Status: Lower-cost generic is available. Lower-cost generic is available. Ratings & Reviews: Sildenafil has an average rating of out of 10 from a . Generic Viagra, or sildenafil citrate, works the same as Viagra, but at a lower cost. While Pfizer still manufactures the “little blue pill,” other companies, globally and in the U.S., . They’re very closely linked because they’re actually the same thing: Generic Viagra is Sildenafil. Here we’ll find out if Sildenafil is as good as Viagra and if there’s a reason .