Barlow Naturals Reishi Mushroom provides 500 mg of Reishi (Ganoderma lucidum) fruiting body powder per serving. Revered for centuries as a traditional wellness tonic, Reishi is known for its adaptogenic properties that help the body maintain balance and resilience. This natural mushroom supplement offers daily support for immune health, vitality, and overall well-being — crafted to help you feel centered and balanced every day.