This product is most suitable for regular health maintenance for healthy people. For other purposes "Grifron®-Pro" line with professional strength, which is 4 times more concentrated, is recommended.

The active proteoglucan, often referred to as D-fraction by scientists, is a unique beta-glucan conjugated with protein, which has been identified and isolated as a responsible substance for potent immune-activating property of Maitake mushroom.*

Our marketing history shows that Grifron® Maitake D-Fraction® Standard is very safe and well tolerated.

Grifron® Maitake D-Fraction® Standard 2 oz. bottle contains 1,500 mg of PD-Fraction, which is standardized to contain more than 450 mg (30%) of the active proteoglucan.

Grifron® Maitake D-Fraction® Standard contains no alcohol, sugar, yeast, mold, gluten, dairy products, artificial colors, preservatives, pesticides, herbicides or fertilizers.

Maitake D-Fraction® is the registered trademark of Maitake Products, Inc. which holds the exclusive right to use the trade name.