ProGenix Male Enhancement Another important ingredient of Duro Max is Rhodiola extract whose role is to improve sex life through increased production of sex hormones and improvement of overall ProGenix Male Enhancement. What makes it safe to use is an all-natural formula that contains epimedium icariin or horny goat weed which treats erectile dysfunction and increases sexual satisfaction. Duro Max is dubbed as an effective solution for common sexual concerns and it tackles them through the support of testosterone production. It is not that unlikely that you may already know the names of these particular products - who has not received spam emails advertising Viagra and cialis these days? Always order your supplements from an official website. You need to be aware of the scams and shady companies that claim to sell these genuine pills.