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Where Does Fat Go?

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Where Does Fat Go?

A survey that included a combination of 150 doctors, dietitians, personal trainers, and many others in the health industry proposed this question. 98% of these people were not able to accurately answer.

The goal for everyone is to try and be the healthiest version of themselves from a wellness perspective. In order to achieve this, it is important to stay within a healthy body mass index (BMI), body fat percentage, and waist to hip ratio. As you may already understand, those with a higher BMI have a greater risk of developing cancers, diabetes, and heart-related conditions. Let’s just summarize what a calorie really is and understand the confusing terms that are very popular within the health and wellness field.


It is important to remember that calories are a form of energy. If you were to consume 100 calories of broccoli you would get all of the amazing micronutrients in which broccoli contains. However, if you were to consume 100 calories from processed fruit juice you would spike blood glucose levels and insulin levels. Now, if you are not using that sugar for an exercise/activity your body stores that sugar as body fat if muscle and liver glycogen levels have been filled.

Now you can understand that the quality of your calories are extremely important; food is not just a number. As we store more body fat on our body, it is important to remember that it is a bit different than the fat that we consume as food. Your body needs to break down whatever food you eat and then it will work through the process to store it as body fat in adipose tissue.

So Why Does One's Body Store Body Fat?

For one reason, taking in more energy than our body burns on a daily basis. If you are familiar with the term Resting Metabolic Rate (RMR). You may remember it to be the amount of calories your body burns at rest. This number will increase naturally as your body digests food and performs activities throughout the day.

How Do We Offset It?

To offset this accumulation of fat mass we must demand that our body produce more energy. In order to do this boosting your metabolic rate will allow you to eat an extra amount of calories. However, it is important to eat meals that do not eat spike your blood sugar (ex. processed foods). In short, you should consider eating a meal that has good quality protein, fats, and fiber. 

When You Have Extra Body Fat, What Does That Mean?

It means that you have excess of what you body doesn’t actually need at the moment. However, fat has a lot of stored energy that can be broken down in situations that your body doesn’t deem as stressful/in a survival based state. The body can shut down if you do not achieve the correct amount of calories that it needs on a day to day basis. Therefore, not eating the correct amount of calories for long periods of time can cause a lot of health issues and extra stress on the body. 

For those that have weight loss goals research has shown that going too low in calories isn’t the best strategy. The best strategy is one that includes good quality food like: vegetables, fruit, good quality protein, and healthy fats. A diet should include balanced meals with all of the important macronutrients (protein, carbohydrates, and fats), over-nourishing your body with a lot of micronutrients is another way to make sure you are getting your basic needs.

So Let’s Answer the Question: What Happens to the Fat Mass on Your Body?

Many of the participants in the survey thought that the stored energy/calories went to be metabolized as part of the Krebs Cycle (a cycle used to break down sugar for the use of energy) and then used as nutrition for the body. Some thought fat turns into muscle.
The correct answer is that fat is converted to Carbon Dioxide and Water. When you exhale the carbon dioxide and water mixes into circulation and is lost in urine or sweat. Nearly all of the weight that we use is exhaled through the lungs as vapor through carbon dioxide. Everything that we eat is converted into carbon dioxide and water and passed through the lungs. The only thing that makes it to your colon that is intact is dietary fiber. Everything else is absorbed in the bloodstream and will not go anywhere until it is vaporized. 

Therefore, it is important to: keep your body hydrated, get enough fiber, sweat it out, and make sure to not eat late at night so that when you are sleeping your body can tap into stored adipose (fat) tissue.

Contact us for more information about our weight loss nutrition program, personal training & wellness coaching at Genesis Personal Fitness, 215-504-0100 or info@genesispersonalfitness.com 

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