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:

Edible Curd Grated Lemon Peel Flaxseed Bread Fruit Bar Pickled Vegetables Fresh Salt Schupfnudeln Whole Grain Rolls Mayonnaise