Science Reveals Where Your Fat Goes When You Lose Weight

Weight loss is a hugely popular topic amongst men and women. Everyone wishes to look like the models on the billboards and we put our mind and bodies through a lot in order to achieve it. However, most of us are interested in the secret methods to get there and don’t focus on the metabolic process of weight loss, for example, when you lose 20kgs, where the hell does all of that go? What does it mean to burn fat?

According to an article by researcher Ruben Meerman and Professor Andrew John Brown, Head of the UNSW School of Biotechnology and Biomolecular Sciences, the weight we lose “goes into thin air.” Their study has been published in the British Medical Journal. 

“There is surprising ignorance and confusion about the metabolic process of weight loss,” Professor Andrew Brown says in the UNSW article. “The correct answer is that most of the mass is breathed out as carbon dioxide,” Ruben Meerman continues.

After losing 15 kgs back in 2013, Meerman was curious as to what this mass transformed into.

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When someone loses 10kg of fat (excess carbs or protein in the diet that is converted to triglyceride and stored as lipid or adipocytes), 8.4kg of this is exhaled as Carbon Dioxide. The remaining 1.6kg becomes water.