Where can I find Power bar in Mayen?

Power bar can also be found in these cities:

Andernach Cochem Filz Kobern-Gondorf Mülheim-Kärlich Münstermaifeld Neuwied Nickenich Oberdürenbach Plaidt Treis-Karden Weißenthurm Wollmerath

You can also find this in Mayen:

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