Before being used as a traditional remedy, Avena sativa has been consumed as a staple food. Today, many people are taking Avena sativa extract to bolster their sexual power, libido, and blood circulation. On top of those, proper intake of Avena sativa extract can also increase testosterone naturally. Having normal testosterone levels in the bloodstream can treat erectile dysfunction (ED) and low sperm count. Now, what is this wonder herb? What are its health benefits and side effects? All these and more will be covered in this article.