Where can I find lactose free sour cream in Düren?

lactose free sour cream can also be found in these cities:

Alsdorf Baesweiler Bergheim Erftstadt Eschweiler Kerpen Kreuzau Langerwehe Mechernich Niederzier Nörvenich Stolberg Vettweiß Zülpich

You can also find this in Düren:

Everything From Milk Baking Mixtures Cream Stiffener Spreads Savory Food For Diabetics Menus With Meat Fruit Spritzers Filter Coffee Baguette Roll Salt Sticks