Where can I find Three-grain bread in Amriswil?

Three-grain bread can also be found in these cities:

Abtwil SG Arbon Bischofszell Bronschhofen Bütschwil Constance Degersheim Flawil Friedrichshafen Goldach Gossau Herisau Immenstaad am Bodensee Kirchberg Kreuzlingen Meersburg Müllheim Romanshorn Rorschach St. Gallen Sulgen Teufen Tägerwilen Uzwil Weinfelden Wil Wittenbach Zuzwil

You can also find this in Amriswil:

Baked Goods Yeast Fresh Pumpernickel Breakfast Cereals Olives Drinks Dry Herbs Spaetzle Snacks Horseradish