Where can I find Power bar in Diepoldsau?

Power bar can also be found in these cities:

Altstätten Appenzell Arbon Au Goldach Heiden Lindau (Bodensee) Oberriet Rheineck Rorschach Sankt Margrethen St. Gallen Teufen Thal Widnau Wittenbach

You can also find this in Diepoldsau:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise