Where can I find Power bar in Grenchen?

Power bar can also be found in these cities:

Biberist Biel Bienne Brugg Burgdorf Delémont Derendingen Gerlafingen Hasle bei Burgdorf Ipsach Kirchberg Langendorf Lyss Moutier Münchenbuchsee Nidau Solothurn Tavannes Utzenstorf Zuchwil

You can also find this in Grenchen:

Sweet Mares Vodka Infusion Bag Dried Fruit Preserving Ingredients Seafood Mixed Rolls Baking Soda Rusk Food For Allergy Sufferers