Lingzhi-reishi, also known as Ganoderma lucidum and Lingzhi, is a fungus that grows in various hot and humid location s and has been a staple in Eastern medicine. Located in the mushroom, there are several molecules, including triterpenoids, polysaccharides and peptidoglycans, that may be responsible for its longevity health effects. Extracts that contain these specific molecules have been tested in cell, animal and human studies. From these tests, 6 scientifically studied benefits of the reishi mushroom were confirmed.
Side effects of Reishi include:
https://vallartamirror.com/dementia-alzheimers-and-parkinsons-relief-naturally/
Credits
Probing the Lingzhi Reishi NIH
Immuno-modulation by Ganoderma lucidum NIH
Natural Killer Cells Lingzhi Reishi NIH
Monitoring of immune responses to a herbal immuno-modulator in patients with advanced colorectal
Another clinical test showed no positive results NIH
Overall, it is clear that reishi impacts white blood cells and immune function. More research is needed to determine the extent of the benefits in the healthy and ill.