Free Sample of Purina ONE BeyOnd Dog Food This post may contain affiliate links. Please see my full disclosure policy for details. May 10, 2013 10 May Pin0Share0TweetGoogle+0shares Request a free sample of Purina ONE beyOnd dog food. Just fill out the form and submit and your sample will be mailed to you within a few weeks. This offer is limited to one per household, while supplies last.