Easy Insert Straw Stamina Enhancer Energy Support Serving Your Needs Since 1973Siberian Eleuthero Root ExtractSiberian Eleuthero has long been revered as an adaptogenic tonic by Russians, Asians and Europeans. Scientific studies have supported its use by many people to enhance energy, promote stamina, and assist them in more active and healthy lifestyles. Imperial Elixir"s liquid extract is pleasant tasting, easy to take and alcohol free.