The "king of edible mushrooms," this extract comes from Henan and Fujian’s large-scale shiitake farms—China’s largest mushroom production base. Its lentinan content supports immune function, making it a staple in dietary supplements, functional foods, and soups worldwide. 

Global demand exceeds $1.2 billion, with China accounting for 50% of production. Its affordability and proven efficacy will keep it a global staple for immune health.