... such as HPLC,UV,GC,AA etc. Action: 1) Reishi Mushroom Extract is reputed as the elixir of life since ancient times ... a rare and traditional Chinese medicine in China. 2) Reishi Mushroom Extract is used for treatment of general fatigue and weakness, asthma ... , insomnia, and cough. 3) Reishi Mushroom Extract can also preserve the vigour, strengthen the physique, have a ...