As the beverage market has exploded, so have the claims about metabolic benefits. Here's a look at the main boosts being boasted.
Photo: Nigel Cox
From vitamin C to resveratrol, there are thousands of antioxidants so far known to science that are involved in the prevention of cellular damage. They exist in complex combinations in whole foods and drinks closely derived from them (like tea or juice). Problem is, there's little evidence showing that isolating these compounds in a drink has an effect on immunity.