Add Yahoo as a preferred source to see more of our stories on Google. A wrapped Subway sandwich. - The Image Party/Shutterstock Subway has had a bit of a rough go of things in recent years, hasn't it?

Assorted Subway drinks and sandwiches with meats, veggies, and mayo - Gerardo Mora/Getty Images Have you ever had an exceptional (yet seemingly simple) meal out at a restaurant, decided to try and ...

Discover the best Subway subs, according to diners who share their go-to sandwiches and must-order picks.

Have you ever had an exceptional (yet seemingly simple) meal out at a restaurant, decided to try and recreate the magic at home, only to be left disappointed? It's a common occurrence — potato salad ...

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