If you’ve noticed players chewing gum during ... ask for is a caffeine gum just before we start, which we’re happy to give out,” says the coach. “On a matchday, we have all the supplements ...

How footballers does up on caffeine, a teenager makes U.S. history and our new writer crunches Manchester United's numbers ...

However, not all types of exercise will benefit ... right time is to use a relatively new type of caffeine-containing product: caffeine chewing gum. This gives far greater control over both ...