Shitake mushrooms contain lentinan, a known immune system booster and virus inhibitor. (naturalhealth365.com)
Unique nutrients in shiitake mushrooms include glucan polysaccharides (including beta - glucans like lentinan), terpenoid - related nutrients like copalic acid, amino acid derivatives like ergothioneine, and many other unique compounds. (whfoods.org)
It contains lentinan, which has a general rejuvenating effect and helps reduce fatigue. (preparedfoods.com)