Describe the Kampo medicine herbal treatments?

The 14th edition of the Japanese Pharmacopoeia (JP, Nihon yakkyokuhō) lists 165 herbal ingredients that are used in Kampō medicines.Lots of the Kampō products are routinely tested for heavy metals, purity, and microbial content to eliminate any contamination. Kampō medicines are tested for the levels of key chemical constituents as markers for quality control on every formula. This is carried out from the blending of the raw herbs to the end product according to the Ministry’s pharmaceutical standards.

Medicinal mushrooms like Reishi and Shiitake are herbal products with a long history of use. In Japan, the Agaricus blazei mushroom is a highly popular herb, which is used by close to 500,000 people. In Japan, Agaricus blazei is also the most popular herb used by cancer patients. The second most used herb, is an isolate from the Shiitake mushroom, known as Active Hexose Correlated Compound.