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Go Beyond Calories

This Is Where Body Fat Goes When We Lose

    Article In Summary:
  • Most of the weigh loss mass is breathed out as CO2
  • Ground breaking study tracked fat atoms to excretion
  • Of 10kgs of fat, 8.4kgs is is lost through lungs

Some people think we turn fat into muscle when we lose weight. The more informed will tell you that we burn it and turn it into heat or energy.

But according to a research done at the University of New South Wales in Australia that was published in the British Medical Journal, we exhale the fat! Yes you read that right, we breathe it out.




The research lead by Andrew Brown and Ruben Meerman is actually ground breaking. In a press release by the University, Brown says, “There is surprising ignorance and confusion about the metabolic process of weight loss.”

And we could not agree more. To-date, many people still do not know that they need to “Go Beyond Calories” to lose weight.

Meerman surveyed 150 doctors, dieticians and personal trainers. He discovered that more than half of them though that fat is converted to heat or energy as we break it down.

But Meerman says “The correct answer is that most of the mass is breathed out as carbon dioxide. It goes into thin air.”




The key to this ground breaking study was tracking fat atoms from fat to excretion. Professor Brown explains Ruben Meerman’s ingenuity in the study.

“Ruben’s novel approach to the biochemistry of weight loss was to trace every atom in the fat being lost and, as far as I am aware, his results are completely new to the field.”

“He has also exposed a completely unexpected


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