Where can I find Stomach tea in Hürtgenwald?

Stomach tea can also be found in these cities:

Aachen Alsdorf Düren Eschweiler Herzogenrath Kreuzau Langerwehe Mechernich Monschau Nideggen Niederzier Nörvenich Stolberg Vettweiß Würselen Zülpich

You can also find this in Hürtgenwald:

Milk Baking Ingredients Beer Jam Vinegar Beef Spices Cocoa Normal Rolls Acid Preserves