Where can I find Drainage tea in Grünwald (Kreis München)?

Drainage tea can also be found in these cities:

Berg Fürstenfeldbruck Germering Gräfelfing Grünwald Haar Hohenbrunn Holzkirchen Karlsfeld Krailling Munich Planegg Starnberg Wolfratshausen

You can also find this in Grünwald (Kreis München):

Baking Soda Vinegar Fruit Jelly Shampoo Hair Care Shaving Foam Foot Care Deodorant Spray Multivitamin Combi Circulation Tea