After thorough research and studies, it has been suggested and proven that horny goat weed which is and ancient Chinese treatment can treat erectile dysfunction. The horny goat weed which was used by the Chinese people as a natural Viagra has proven to be quite useful. However, the effects of the horny goat weed are not as effective as the usual Viagra. Though you might achieve your goal, figuring out the correct dosage is quite a challenge and the treatment might take a while.