Where can I find Food supplements in Grub?

Food supplements can also be found in these cities:

Alland Baden Berndorf Brunn am Gebirge Freiburg im Breisgau Gablitz Guntramsdorf Hinterbrühl Kottingbrunn Leobersdorf Mauerbach Mödling Neulengbach Oberwaltersdorf Perchtoldsdorf Pressbaum Sieghartskirchen Teesdorf Vienna

You can also find this in Grub:

Edible Curd Flaxseed Bread Fruit Bar Olives Drinks Spaetzle Dips And Sauces Muesli Sauces And Fix Products Mega Burger Bun