There are around 11 different species of Ginseng. Korean or Panax ginseng was discovered in Vietnam, and is the most widely studied ginseng product on the market. Over the centuries, Panax has been used in traditional Chinese medicine and is now sold as a food supplement in over 35 countries. Natures Aid Korean Ginsengcontains 40mg Korean Ginseng extract, which is equivilent to 600mg of dried Korean ginseng root. All Natures Aid prducts are produced to GMP standards, guaranteeing the quality of this product.