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In this video, Helen Kollias, PhD—PN’s Science Advisor—shows us why even strict calorie-counting isn’t as accurate as many people think. In fact, it’s easy for calorie intake estimates to be off by as much as 25-30 percent (even for people who know what they’re doing).
In this video, Dr. Kollias reveals:
Why nutrition labels can be surprisingly inaccurate
Why certain foods provide fewer calories than they actually contain
Why blending and cooking can change the number of calories that get absorbed by your body
Why two people eating the same foods can experience different results
Why hand-portion tracking can help you manage your calorie intake but without all the hassle of calorie counting. (See our guide to hand portions here: https://www.precisionnutrition.com/calorie-control-guide-infographic)
This is just a start, though. For a deep dive into all the science, read our full article on the topic here: https://bit.ly/3gKJSBn
If you have any questions about calorie counting, let us know in the comments section below. And if you like this video, please share it with friends, family, and clients!
As always, if you’re interested in nutrition science—and learning the art of coaching clients, patients, friends, or family members through healthy eating and lifestyle changes—check out the Precision Nutrition Level 1 Certification.
It’s the #1 rated nutrition certification in the world: https://bit.ly/3vrNpJe
Chapters:
0:00 Intro
0:24 5 Reasons calorie counting is inaccurate
1:09 Calorie counts are imprecise
2:05 We don’t absorb all of the calories
2:54 Food prep makes a difference
4:08 People are unique
4:36 People can’t eyeball calories
5:13 Here’s what you can do