The Mushroom name is YoungJI in Korea and Reishi in Japan and Linhzhi in Vietnam and ganoderm ludicium in botanical name.
This mushroom is a basidiomycete, lamellaless fungus belonging to the family of polyporaceae. In nature, it grows in densely wooded mountain of high humidity and dim lighting. It is rarely found since it flourish mainly on the dried trunks of dead plum, guercus serrata or pasonia trees. Out of 10,000 such aged trees, perhaps 2 ~ 3 will have the mushroom growth, therefore it is very scarce indeed.
As mentioned before, The Mushroom and Ginseng is identically recognized as superior herbs in the old days.
Prevention of sickness extend life span, increase youthful vigor and vitality through promoting good blood circulation by eliminating thrombi in the blood streams. And Improves nervous tension, neurosis and chronic bronchitis, hepatitis and leukocytopenia and reticuloendothelial system. And effective in numerous other ailments.

Ref. http://en.wikipedia.org/wiki/Lingzhi_mushroom

INGREDIENT INFO.  Linhzhi Extract 100%

PACKING. 50g glass bottle/ spoon/ vinyl/ wooden box

DIRECTION.

Use one time a day, every morning. 1 or 2 spoon of 1gr mixed in small cup of warm water