An app that helps motorist find cheap gas and good bathrooms has added premium foods to the list of items at convenience stores, also called C-stores.

“I think the perception out there is that this is where you come for sweet snacks and indulgent snacks,” said Gabi Yanuzzi, G&M and director of C-stores.

Yanuzzi said they’ve been studying buying habits and found that apparently people want an upgrade.

“Customers are asking for more ‘better for you’ products,” she said.

Bottled water has replaced soda as the No. 1 seller.

And beyond energy drinks, unsweetened tea, organic milk and functional beverages are front and center in the fridge.

“Just because you’re on the…