Chains from Dunkin' to Subway are opening the year with protein-packed launches as the trend pushes deeper into everyday ...

While questions abound about Subway's business practices, there's one other pressing issue: What kind of mayo does it use? We ...

Dunkin' and Subway are the latest fast-food brands leaning into the protein craze with new menu items to start 2026.The companies announced new protein-packed additions on Wednesday, Jan. 7. Dunkin' ...