to be honest i have no idea, although i assume thats what it is. Im wondering if there would be any advantage to ordering oat powder vs throwing some dirt cheap quaker oats in a blender. Its probably ground very very very very fine...finer than you could grind at home...but thats just a guess.
Their new website should be up soon (its been delayed for a long time) and all their new products will be on it with full descriptions and COAs, so that should explain it all.