Zenegra is a pill used for the treatment of erectile dysfunction(ED) generally called impotence in men. Zenegra is the generic version of brand Viagra with Sildenafil citrate as the key ingredient. Zenegra pills are limited and are strictly in accordance with the norms of the World Health Organization standards and are approved by FDA.

Men with the second type of the impotency i.e. erectile dysfunction can take Zenegra and become potent. Zenegra is the generic drug used to treat the erectile dysfunction in men. It is the generic version of the well-known erectile dysfunction drug, Viagra. Sildenafil citrate is the main constituent of the Viagra and the same is used in the Zenegra as an active constituent to treat erectile dysfunction. The concentration of the Sildenafil Citrate is also the same in both Zenegra and Viagra. The reason behind the same concentration of the Sildenafil citrate in the Zenegra and Viagra is the condition put forth by the Food and Drug Administration. Zenegra was invented soon after the discovery of the original Viagra as the newly launched Pfizer’s Viagra was very expensive.

The newly launched Zenegra was very cheap in comparison to the original branded Viagra as the manufacturer doesn’t have to invest the money into the research of the drug as it is already done by the original manufacturer. Even the money is not invested in the clinical trials as they are already conducted by the brand drug manufacturer. Zenegra even gets the advantage of the promotion and publicity done by the original Viagra manufacturer. As a result the lot of money is saved by the Zenegra manufacturer and thus they can afford to keep the costs of the drug very low. The main reason why Zenegra become such a success was it low cost with the best quality of the drug.