Maitake D-Fraction, a proprietary extract from the Maitake mushroom (Grifola frondosa), is one of nature’s most potent and effective immune system supporting constituents.* It is a unique protein-bound Beta-1,3/1,6 glucan that research has shown to support overall healthy immune function.*

• Mushroom Wisdom, with over 25 years of mushroom expertise, is committed to offering you the finest and most effective supplements, manufacturing them in a certified cGMP facility.