While shiitakes seem like any other mushroom you'd find at your local market, eating them raw can have a surprising side effect: shiitake flagellate dermatitis. Although it affects only around 2% ...

AHCC, a substance derived from shiitake mushrooms and a ... 2 servings daily for maximum benefits. May not work for everyone Some users may experience side effects such as upset stomach or rash ...

The shiitake is an edible mushroom native to East Asia, which is cultivated and consumed in many East Asian countries. It is considered a medicinal mushroom in some forms of traditional medicine.