Where can I find Baking soda in Gontenschwil?

Baking soda can also be found in these cities:

Aarau Berikon Bremgarten Buchrain Buchs Dietikon Ebikon Egolzwil Emmen Erlinsbach Fahrwangen Fislisbach Gränichen Hitzkirch Lenzburg Lostorf Lupfig Mellingen Menziken Muri Möriken-Wildegg Oberkirch Oftringen Olten Rain Reiden Reinach Rothrist Ruswil Schöftland Schönenwerd Sempach Seon Spreitenbach Suhr Sursee Unterentfelden Urswil Wohlen Zell Zofingen

You can also find this in Gontenschwil:

Nougat Cream Desserts Dessert Baking Mixes Cake Glaze Peanut Butter Ice Cream Rice Dishes Vegetable Juices Instant Iced Coffee Cheese Roll