Mushrooms are a superfood and have antioxidant properties and are known to boost your immune system. Mushrooms are also known to reduce your fatigue and promote healthy energy levels. We have specially formulated our organic blend of 8 mushroom extracts to include mushrooms that enhance immune function including reishi, lion's mane, cordyceps, chaga, turkey tail, maitake, shiitake, and snow fungus. We only use the fruiting bodies of the mushrooms. Why Choose Herbal Roots? Unlike other brands, you will NOT find binders, fillers, preservatives or additives in any Herbal Roots supplements. This product is USDA Certified organic, manufactured by a cGMP facility, and 3rd party tested.