This new book provides valuable insight into the role of mushrooms in the treatment of diabetes mellitus. Mushrooms are enriched with various bioactive constituents with antidiabetic efficacy such as polysaccharides, terpenes, sterols, etc. The extracts as well as bioactive constituents through different mechanisms exhibit antidiabetic action. Medicinal mushrooms such as Ganoderma lucidum, Innotus obliquus, Grifola frondosa, Phellinus species, etc. are considered in this volume for their beneficial qualities toward the mitigation of the disease. The volume considers mushroom powders, mushroom extracts, and their bioactive components for the management of diabetic syndrome. It presents various in vitro, in vivo, and clinical studies on lowering hyperglycemia and other diabetes associated with secondary abnormalities as well as provides information regarding mushroom-based antidiabetic market products.