Well, I wouldn’t say it is unknown and you have to remember that since 1983 it is an official drug in Japan and It’s used ever sense; so the world knows. It’s more that the western world doesn’t know.
Well it is a problem of the philosophy because the Eastern medicine, meaning the Chinese medicine, the Japanese medicine, is more interested about results. So If it works, let’s use it.
Here in Western Europe, the United States, we have to know everything. We have to know exactly what each molecule is doing what, how long, how fast, what it goes, how it goes back in our body and as long as we don’t know it fully, it is not approved.
~Dr. Vaclav Vetvicka