Where can I find Power bar in Mäder?

Power bar can also be found in these cities:

Altstätten Appenzell Arbon Au Diepoldsau Goldach Heiden Oberriet Rheineck Rorschach Sankt Margrethen St. Gallen Teufen Thal Widnau Wittenbach

You can also find this in Mäder:

Fish Sticks Roll Cheesecake Help Sunflower Seed Bread Salads Iced Tea Coffee Infant Food Dips And Sauces