What kind of medicine is ginsenoside rh2? How much is a box? What's the use?

As we all know, ginsenosides have the strongest anticancer activity in ginseng. More than 40 kinds of ginsenosides have been found, among which ginsenoside Rh2 has the strongest anticancer activity. How much is a box of ginsenoside rh2? The price of ginsenoside Rh2 has been very high on the market at present.