Welcome to the Get Fit Guys quick and dirty tips to get moving and shape up.

My name is Brock Armstrong and I am the Get Fit Guy.

Is a malfunctioning metabolism really why you can't lose weight and keep it off?

Well, today we're going to look at a thing called metabolic profiling with our special guest,

Angelo Polly, from a company called MetPro.

A few years ago, my colleague, the Nutrition Diva here on the Quick and Dirty Tips Network,

Monica Reinagle, wrote an article dissecting the publication of what was dubbed, at least,

the biggest loser study.

And in that article, Monica dove into research that tracked the progress of 14 contestants

on that reality show The Biggest Loser.

Now, each contestant had lost a massive amount of weight during the course of the show.

But six years later, all but one of the contestants had regained a significant amount of weight.

Four are actually heavier now than they were when the show began.

And before you jump to conclusions, the study demonstrated that this struggle was not

simply a failure of willpower. In large part, the study demonstrated that this struggle was not simply a failure of willpower.

In large part, the poor folks who spent so much time getting yelled at on a treadmill in front

of millions of television viewers regained weight because they had experienced a dramatic slowdown

in their metabolisms. That slowdown meant that even if they kept

up a daily caloric intake that was aimed at maintaining their new lower weight, well, they

gained weight anyway. And this is not the only study to describe this phenomenon. The New England

Journal of Medicine published

essentially the same findings a few years earlier, which led to a New York Times story about the

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