People can get any footlong sub for $6.99 right now. People can get footlong subs at the $6.99 price from now through May 31.

Dietitians share their go-to healthy Subway orders so you can eat clean without giving up flavor or convenience.

Subway and Potbelly Sandwich Shop. Founded in 1965, Subway long held the title of the largest fast-food chain in the world, although it's now second to McDonald's, Food & Wine reported.