What is Reishi? Reishi (Ganoderma lucidum), also known as ling zhi, is a woody mushroom that thrives in the humid regions of Asia. It has been used for centuries in traditional medicine for its beneficial properties. Health benefits: In strengthening the immune system. In maintaining good blood circulation.High concentration of extract: The product contains 1950 mg of reishi extract in a 5:1 ratio per daily dose, which corresponds to 9750 mg of pure mushroom. Why choose Reishi: Asian tradition in a capsule: Reishi is known as the longevity mushroom. Improving immunity and blood circulation: Ideal for overall well-being. High concentration: 1950 mg of extract in a 5:1 ratio per daily dose.