Spin beats science on sports drinks

Experts have slammed some of the world’s biggest sports brands, saying there is virtually no evidence for the claims they make about drinks, shoes and supplements.

The stinging criticism, delivered just days before the Olympics, comes in a joint investigation by the BMJ, the BBC and the University of Oxford's Centre for Evidence-Based Medicine

Despite consumers spending billions of dollars on sports products, the investigation found “a striking lack of evidence” to