Celery: The Not So Negative Calorie Food

https://cdn.shopify.com/s/files/1/1286/4841/files/celery-health-benefits_grande.jpg?v=1488473920

Have you ever heard the claim that ‘eating celery is the same as eating negative calories’ when it comes to weight loss?  Have you ever felt that eating a bunch of celery can counter act against the calories you consumed in that piece of cake you were tempted into eating while on your diet? If you have, both the concept of negative calories and the idea that eating excessive amounts of celery can make up for large calorie consumption and lead to weight loss, is misleading.

In order to determine the validity of this claim, it’s first important to understand what is meant by the term ‘negative calorie’.

WHAT DOES NEGATIVE CALORIE ACTUALLY MEAN?

Negative calorie foods are those that take more energy (calories) to digest than they provide in the diet when consumed.  In theory, this idea makes a lot of sense but there is currently no scientific evidence to support negative calorie foods even exist.

CALORIE CONTENT IN CELERY

Much of celery’s caloric content is bound up in cellulose, a type of fiber which cannot be digested by the human body.  This is why eating one medium stalk of celery (approximately 7.5 – 8 inches long), according to the USDA Food Composition Database, provides only 6 calories of energy in the diet.

https://snaped.fns.usda.gov/snap/NTTS/CeleryNutritionFacts.jpg

DIET INDUCED THERMOGENESIS – THERMIC EFFECT OF FOOD

The next step in the equation of determining if celery is a negative calorie food is something called the thermic effect of food.  This is the amount of calories used in the chewing, digestion, and storing of nutrients from food.  The least amount of calories burned by the body comes from the thermic effect of food and usually constitutes 5-15% of total daily caloric intake.

What does this mean?   The amount of calories burned to eat and digest a single medium stalk of celery is equal to less than one calorie.

CONCLUSION = DEBUNKED

When you subtract the amount of calories burned digesting celery from the amount of calories taken in from eating celery, there is a net positive caloric intake of approximately 5 calories.

This net positive calorie number proves that celery cannot be a negative calorie food as more energy (calories) are provided from consuming celery than are lost by digesting celery.

The good news:  Celery contributes such a small amount of total caloric intake that it is still an extremely effective food to consume when looking to lose weight and maintain your health.

celery-info

https://www.consumerhealthdigest.com/general-health/15-hidden-benefits-about-celery.html

By Erin Nargi

Sources:

Renee, A. (2016, October 05). 15 Super Health Benefits of Celery. Retrieved October 8, 2017, from https://www.consumerhealthdigest.com/general-health/15-hidden-benefits-about-celery.html

Hensrud, M. D. (2015, March 26). The truth about negative-calorie foods. Retrieved October 8, 2017, from http://www.mayoclinic.org/healthy-lifestyle/weight-loss/expert-answers/negative-calorie-foods/faq-20058260

(n.d.). Retrieved October 8, 2017, from https://ndb.nal.usda.gov/ndb/foods/show/2914?fgcd=&manu=&lfacet=&format=&count=&max=50&offset=&sort=default&order=asc&qlookup=celery%2C%2Braw&ds=&qt=&qp=&qa=&qn=&q=&ing=

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