What is it?
Reishi is known as Ganoderma lucidum and is a fungus that originated in Asian countries. Reishi is a mushroom that grows on trees. It has been used to improve heart and brain health. Reishi contains beta glucans, a type of fiber found in the cell walls of cereals, bacteria, and fungi. Beta glucans are taken by mouth for high cholesterol.

What does it do?
Limited data from clinical studies suggest reishi can strengthen immune response in humans. Resishi mushrooms also have substances known as triterpenes that may have blood pressure-lowering and anti-allergy effects.