Natural American Ginseng P.E.,American Ginseng Powder,American Ginseng Extract

Natural American Ginseng P.E.,American Ginseng Powder,American Ginseng Extract

American ginseng are similar to those in Asian ginseng, the exceptions that ginsenosides Ra and Rf found in Asian ginseng are absent from American ginseng. There are some differences in quantity of ginsenosides Rg and Re groups between American ginseng and Asian ginseng. American ginseng contains very few ginsenosides with central nervous system stimulating activity, it is regarded as a "cooling agent".