Reishi mushrooms are a traditional medicine in Asia that are claimed to have many health benefits, including:
Immune system: Reishi mushrooms may increase the number of white blood cells in the body and improve their function. 
 
Anti-cancer: Reishi mushrooms contain beta-glucans, which may slow or stop tumor growth. 
 
Reduce fatigue: Reishi mushrooms may reduce the severity of chronic fatigue. 
 
Reduce anxiety: Reishi mushrooms may help alleviate anxiety symptoms by supporting the parasympathetic nervous system. 
 
Skin health: Reishi mushrooms may decrease skin sensitivity and make skin more resilient.