What is eleuthero? Eleuthero (Eleutherococcus senticosus or Acanthopanax senticosus) also known as Siberian ginseng, is an ancient medicinal plant native to Japan, Korea, and northern China.  It is a small, woody shrub that produces round, blueberry-like fruits. Also known as Siberian ginseng, archeological evidence suggests that eleuthero was first used in traditional Chinese medicine more than 2,000 years ago.  Eleuthero (Siberian ginseng) is a distant relative of the “true” ginseng family, which includes American ginseng (Panax quinquefolius) and Korean ginseng...