Chaga Mushroom (Inonotus obliquus)
What lab and animal studies show for antioxidant and immune effects, why human data are missing, and its oxalate kidney risk.

Encyclopedia
Functional mushroom encyclopedia — reishi, lion's mane, cordyceps, chaga, turkey tail — covering beta-glucans, extraction methods, and clinical evidence.
What lab and animal studies show for antioxidant and immune effects, why human data are missing, and its oxalate kidney risk.
Cordyceps benefits for exercise, energy, immunity and kidney health, checked against small human trials; plus doses studied, safety and product types.
What button, cremini, oyster and shiitake supply, from ergothioneine to vitamin D2, what studies show, and side effects.
What small human trials show for memory and mood, how hericenones and erinacines work, typical doses and side effects.
Maitake mushroom benefits for immunity and blood sugar, weighed against mostly animal research; plus nutrition, D-fraction extracts and drug interactions.
Reishi benefits for immunity, fatigue and sleep, weighed against the trials; plus doses studied, side effects such as liver injury, and drug interactions.
Shiitake mushrooms benefits for immunity, cholesterol and vitamin D, checked against human trials; plus nutrition, daily amounts and shiitake dermatitis.