Modern science has identified a unique polysaccharide compound, 1,3 branched 1,6 beta-glucan and 1,6 branched 1,3 beta-glucan in Maitake mushroom, which is the active constituents that support immune cell function.* Unlike other 1,3 beta-glucans seen in other medicinal mushrooms such as reishi or shiitake, also in some yeast cells, Maitake's 1,6 and 1,3 beta-glucans have more complex chemical structures with greater degree of branching, which may increase the chances to reach to each immune cell for activation.*