All of our mushroom extracts come from the same source; a long standing traditional producer in China making what is considered there to be pharmaceutical grade. Considering the Traditional Chinese Medicine system this is no joke. These mushroom extracts go through rigorous lab analysis every production and batch produced. In China these extracts are considered to be one of the most potent solutions to ALL illnesses. Though there are many herbs available to work with in the Chinese medicine system these are the sure shots, no matter what your constitution these will benefit your life and help you overcome the various blockages you experience both internal and external.
Dosage suggestions are on each package.