On Wed, 22 Jan 2014 09:54:30 -0700 in rec.food.cooking, Janet
Bostwick > wrote,
>Meringue powder is what is used by bakeries everywhere. It's used in
>the boxed angel food cake mixes. I don't think you would find it on
>your supermarket shelf, but maybe.

No trouble finding it in the baking section any time I've looked.