GIG of Portland Info

Banana Flour - This was Dr Sydney Haas' essential component to treating Celiac kids in the 1920's when he created the Specific Carbohydrate Diet, from which Elaine Gottshall took the torch and carried on.
Anyone tried it? Or seen it (or another brand) for sale locally? The store locator doesn't show any in Oregon. The company is out of Utah.
http://www.bananaflour.com/