Stoke City midfielder Xherdan Shaqiri has defended his lifestyle away from the pitch.
The Swiss has been quizzed about his extended injury absence from the Stoke City team.
Asked whether his perpetual muscle problems might be related to diet, he said: "I am a professional enough to know what I have to do.
"Just because I work with Coca-Cola does not mean I drink cola every day. There have been tests for me in my diet.
"I know how to behave."