Product FAQ > Beta-1,3D Glucan > Is Beta glucan derived from bakers yeast the most effective type of glucan?

Glucans derived from barley, oats, or other grains have been shown to be ineffective as an immune modulator. Only Beta 1, 3-D glucan from the cell wall of baker's yeast has been shown to have a potent effect on the immune system, in an economical manner.