Where can I find Baking soda in Bürserberg?

Baking soda can also be found in these cities:

Au Bludenz Brand bei Bludenz Dalaas Damüls Feldkirch Gargellen Göfis Innerbraz Landquart Laterns Nenzing Nüziders Oberriet Sankt Gallenkirch Schlins Schnifis Schruns Silbertal Sulz Thüringen Tschagguns Vandans Weiler Übersaxen

You can also find this in Bürserberg:

Rusk Food For Diabetics Menus With Meat Filter Coffee Cheese Roll Canned Fish Fat Sauce Powder Spirits