Where can I find Power bar in Lauerz?

Power bar can also be found in these cities:

Altdorf Baar Buchrain Buochs Cham Ebikon Einsiedeln Goldau Ibach SZ Ingenbohl Küssnacht Lucerne Rotkreuz ZG Stans Steinhausen Unterägeri Zug

You can also find this in Lauerz:

Seafood Mixed Rolls Baking Soda Rusk Food For Allergy Sufferers Potato Dishes Fitness Drinks Espresso Ground Pastries Nuts