Where can I find Baking soda in Heimiswil?

Baking soda can also be found in these cities:

Belp Bern Biberist Bremgarten bei Bern Burgdorf Derendingen Gerlafingen Gümligen Hasle bei Burgdorf Herzogenbuchsee Huttwil Ittigen Kirchberg Konolfingen Köniz Langendorf Langenthal Langnau im Emmental Münchenbuchsee Münsingen Ostermundigen Solothurn Utzenstorf Worb Zollikofen Zuchwil

You can also find this in Heimiswil:

Rice Pudding Baking Powder Spelt Bread Nut Nougat Cream Balsamic Vinegar Pork Spice Blends Potato Products Rye Roll Canned Tomatoes