Agaricus Blazei

BCCT plans to write a summary on Agaricus blazei, one of several medicinal mushrooms. While our summary is in development, you can visit About Herbs: Agaricus Blazei


Paul Stamets in MycoMedicinals notes that Agaricus blazei also contains the carcinogen hydrazine, and we do not have data indicating whether or not the effects of these carcinogens mitigate the medicinal properties of these mushrooms.  These carcinogens can be removed during processing, and these "detoxified" preparations are available. However, "consumers should beware that many of the A. blazei products being sold contain these potentially dangerous hydrazines."1  


BCCT does not recommend therapies or doses, but only provides information for patients and providers to consider as part of a complete treatment plan. Patients should discuss therapies with their physicians, as contraindications, interactions and side effects must be evaluated.

Dosage recommendations are available from these sources:

Integrative Plans, Protocols and Medical Systems

For more information about plans and protocols, see our Integrative Plans and Protocols page.


Paul Stamets advises using mushroom products that contain both the water and alcohol extractions, since each contain different medicinally important compounds.5

Integrative oncologist Keith Block, MD, advises using extracts (rather than eating whole mushrooms) that are blends of several different medicinal mushrooms, including maitake (Grifola frondosa), agaricus (Agaricus blazeii), shiitake (Lentinula or Lentinus edodes), reishi (Ganoderma lucidum), turkey tail (Trametes or Coriolus versicolor), and caterpillar fungus or cordyceps (Cordyceps sinensis).6

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