Reishi mushrooms have been reported to intensify the effects of blood-thinning (anticoagulant) drugs

People with allergies to molds or fungi should use care with reishi mushrooms, although allergic reactions to them are generally rare.

Reishi mushrooms are recommended as a general tonic for health, energy, and longevity. They are prescribed for diseases including coronary heart disease, cancer, and AIDS

Reishi mushrooms contain compounds called polysaccharides, which have been shown to help the body fight cancerous tumors and also stimulate the immune system

Ganoderma is the genus name, but there are approximately 400 varieties of this mushroom. The lingzhi or reishi mushroom have a place in Chinese medicine.