"Maitake D-Fraction˝ Standard is a tincture product of Maitake D-Fraction˝, a potent immune boosting* extract from Maitake mushroom (Grifola frondosa), with regular strength.
Maitake mushroom is an edible tasty mushroom prized in Asian countries for centuries. Our studies and marketing history shows that Maitake D-Fraction˝ Standard is very safe and well tolerated."