Wawa and 7-Eleven are among the convenience retailers already profiting from surging consumer demand for sour flavors, according to CStore Dive.

The trade publication reports that the sour flavor profile is still in a growth and evolution phase, meaning the opportunity for c-stores is not yet fully matured. Retailers and suppliers continue to experiment with how far the profile can stretch across categories.

Sour's rise tracks with a broader consumer tilt toward intense, adventurous taste experiences. For convenience operators, that shift matters because flavor innovation moves product in stores where impulse purchases dominate the basket.

Wawa and 7-Eleven illustrate how large chains can move quickly on a trending profile. Both companies have built reputations for rapid menu and beverage innovation, and sour gives them another lever for differentiation against both c-store peers and quick-service restaurants.

Because the trend is still evolving, CStore Dive notes there is room for operators beyond the biggest players to capitalize. Smaller chains and independent stores can introduce sour items without needing to match the scale of a Wawa or 7-Eleven rollout.

The growth phase also signals risk for retailers that wait. Flavor trends in convenience retail can compress quickly, and operators that arrive late may miss the margin uplift that early movers capture. Suppliers, meanwhile, are still calibrating how sour pairs with established categories, from beverages to snacks and candy.

For marketers targeting the c-store channel, the takeaway is direct: sour is a proven, in-demand profile with named winners already banking sales, and the window to build assortments, promotions and partnerships around it remains open while the trend continues its growth and evolution.