Where can I find Kidney tea in Kürten?

Kidney tea can also be found in these cities:

Bergisch Gladbach Burscheid Cologne Gummersbach Haan Leverkusen Lohmar Marienheide Overath Remscheid Solingen Wermelskirchen Wipperfürth Wuppertal

You can also find this in Kürten:

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