Low in calories, naturally fat- and cholesterol free, more potassium than four bananas, and super hydrating - these are just a few of the many benefits ascribed to America’s latest health craze: coconut water.

Dubbed "Mother Nature’s sports drink" by marketers, the demand is skyrocketing, propelled by celebrity and athlete endorsements and promises to hydrate the body and help with a whole host of conditions, from hangovers to cancer and kidney stones.

But is coconut water capable of delivering on all the promises or is it hype?