Subway’s “F” grade was the highest of all the failing chains. The company, which has been the target of a campaign calling for it to switch to drug-free meats, earned some credit because Subway has publicly stated on its website that the company supports the “elimination of sub-therapeutic use of antibiotics.” There have been reports that Subway does soon intend to start buying meat raised without antibiotics, but since the company hasn’t announced any actions to source only drug-free meat, its statement in opposition to the overuse of these drugs may be nothing more than lip service.