Agaricus Benefits. There it is called "Cogumelo de Deus" ("Mushroom of God") because it has been related to lower incidence of adult diseases in that region. Food Chem Toxicol 2004;42:909-16. 45. Effects of extracts from Brazilian sun-mushroom (Agaricus blazei) on the NK activity and lymphoproliferative responsiveness of Ehrlich tumor-bearing mice. 2013;15(4):335–343. Pro-inflammatory effects of the mushroom Agaricus blazei and its consequences on atherosclerosis development. Agaricus Blazei Murill is well known for its ability to stimulate the immune system. Immune System. Royal sun medicinal mushroom, Agaricus brasiliensis Ka21 (higher Basidiomycetes), as a functional food in humans. Royal sun medicinal mushroom, Agaricus brasiliensis Ka21 (higher Basidiomycetes), as a functional food in humans. Agaricus Blazei or Royal Agaricus “Also known as the “Sun Mushroom,” Royal Agaricus grows in mountainous rainforests near Piedade, Brazil. Yamanaka D, Liu Y, Motoi M, Ohno N. Int J Med Mushrooms. International J Medical Mushrooms 2013. Royal Agaricus (Agaricus blazei) Also known as the "Sun Mushroom," Royal Agaricus grows in mountainous rainforests near Piedade, Brazil. Kaneno R, Fontanari LM, Santos SA, et al. There it is called “Cogumelo de Deus” (“Mushroom of God”) because it has been related to lower incidence of adult diseases in that region. 46. Agaricus has traditionally been used against a variety of diseases, ranging from physical and emotional stress, diabetes, high cholesterol and circulatory problems, osteoporosis, peptic ulcers and indigestion to chronic hepatitis. The Royal Sun medicinal mushroom, Agaricus brasiliensis, is used as a natural health product.