Viagra is a prescription pill and it is the product of Pfizer Inc.The active ingredient in the so called Generic Viagra is Sildenafil Citrate, the same active ingredient found in Pfizer's Brand Viagraź.
When a drug company first invents a drug (eg. Viagra) that company is the only one allowed to make that drug for a certain number of years. After this time period, other companies are allowed to make the same drug. These drugs are called generics. Generic pharmaceuticals contain exactly the same active ingredients as their branded counterparts. The generic product is able to be manufactured at a fraction of the cost, as there is little or no cost associated with research and development.
| Branded Drugs | Price/pill | Generic Drugs | Price/pill |
| Viagra(Pfizer Make) 100mg | $23 | Generic Viagra | $6 |
| Levitra(Bayer Make) 20mg | $23 | Generic Levitra | $7 |
| Cialis(Lilly ICOS Make)20 | $23 | Generic Cialis | $7.5 |
You can buy branded Viagra fromKwikmed.com
and Generic Viagra from
RXMEX.com