All Basic Information About Reishi Mushroom | Reishi Mushroom Exporter| Buy Reishi Mushroom Online All Basic Information About Reishi Mushroom.                                              What Is Reishi Mushroom? Reishi mushroom is an edible mushroom Reishi supplements, commonly sold as capsules or powders, contain material from the dried fruiting body (the top or "mushroom") with or without material from mycelia (the branch-like network that gives rise to the fruiting body). Compounds in reishi thought to be biologically active are 1,3-beta-D-glucan, which is found in both the fruiting body and mycelia and ganoderic acids, different sets of which are found in the fruiting body as compared to the mycelia.  Extracts are also available in which these compounds are more concentrated than in whole dried reishi. REISHI MUSHROOM What are the health benefits of reishi?  Reishi supplements made from the fruiting body are commonly promoted for "strengthening" the immune sys