You may or may not have heard of the term “TEF”, or “Thermic Effect of Food”.  For whatever reason “TEF” isn’t widely discussed.  Maybe it’s because talking about good nutrition can be boring, or because there’s so much advice out there that we almost become immune to it.

However, you might want to listen up for this one simple tip, because it’s going to help you (if you apply it) burn an extra 100-300 calories per day.

Here we go.

Every time you eat, at least 10% of your calories is being used for digestion.  This is your body’s natural furnace, aka “TEF”, and it represents the calories burned in order to process the calories consumed.

[Photo Credit: sheedypj]

Protein has the highest TEF at 25-30%, with carbohydrates and fats not even being close at 7% and 3% respectively.  For every 100 calories (25 grams) of protein you eat, your body burns 25-30 calories to simply digest and use the protein.  This is one of the reasons we recommend that you build your meals and snacks around good sources of lean protein, especially if your goal is fat loss.

In comparison, if you ate a meal or snack that was 100 calories of carbs only, such as toast and jam, your body would only burn 7 calories.  Obviously, not the way to go if you want to burn more calories so throw away those useless “100 Calorie” snack bags pronto.

[Photo credit: 3liz4]

So again, if your goal is fat loss then imagine if you combined lean protein with a good carb source that totaled 400 calories and half of those calories came from protein.  That’s 50-60 calories burned from protein, and 14 calories burned from carbs totaling at least 64 calories of TEF.  If you ate four meals like this that would be an additional 256 calories you burned in a day not including the fat blasting calories from your workout.

The simplest thing to do to burn more fat and increase your energy levels is to increase your protein intake, and not only your meal frequency but the regularity of those meals.  Doing this will boost your metabolism quickly and will keep it elevated for several hours.  Talk about an easy way to fight fat, especially if your combining the right foods.

Now go chow on some fat-burning protein!

- Rommel Acda, MATS, CSCS

Have questions or comments?  Please let me know in the comments section.