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Are there any negative calories?

Homepage Articles Are there any negative calories?

Are there any negative calories?

There's a growing popularity of foods that are said to contain negative calories. Nutrition provides the necessary energy, and with the right number of calories, we're able to do our daily activities, such as moving, talking, or digesting. Are there really any that not only don't provide energy, but also burn calories that we've accumulated before? However, too much energy in a diet can lead to weight gain, and eventually lead to being overweight or obese.

Table of Contents

1. What are the calories?

It allows you to estimate the amount of food you can eat in a day to take care of your health. The energy value can be divided into net and gross. You can also find the term empty calories, which doesn't mean low-energy food at all, but one that provides few valuable vitamins and ingredients, and quite a lot of calories.

2. Negative calories are defined

In addition, it's very simple and pleasurable to consume excess energy, enough to eat more. According to the concept of negative calories, there is a select group of products that the human body has the ability to eat after consuming more energy than the products they provide, so that you can burn not only the calories provided in that particular product, but also those that are excess. Of course, these must be products on a special list that, according to supporters of this concept, contain negative calorie.

3. Negative calories list of potential products

Each of the above products delivers a certain number of calories, but not more than 40 kcal/100 g. They are high in water and very low in fat, making them extremely low in calories but not zero. Among the most popular products that have the potential to help burn more energy than they themselves provide are: national celery, salad, ?? cucumber, ̇ apricot, ̶ grapefruit, ̋ tomato.

4. Negative calories from a scientist's point of view

K.M. It contains very few calories and a lot of water. Why didn't researchers do such a study on humans? The lizards first went through a 10-day fast, which was supposed to help with more precise observations. The next step was to measure the rate at which the lizard's metabolism changes to food, as well as calculate a specific dynamic effect. As it turned out, after taking energy out for digestion, the human urine and feces of this lizard kept about 25% of the energy supplied with food, which also denies the validity of the theory of the existence of negative calories. Many people also disagree about the theory about the effect of cold food on other types of energy, which will be discussed in the next two studies.

5. Products from zero

However, there are no studies to confirm their beneficial effects. However, the changes observed in studies (C.M. Usually increases the number of calories burned by up to 2460 in the case of a severe cold. In many cases, they contain substances that are not metabolized by the digestive system, so they do not provide any calories or a small amount of water. The only exception is that it can increase food thermogenesis and metabolism. Brown et al. 2006) are so small that it is difficult to confirm that water significantly helps with weight loss.

6. Negative calories is another dietary myth

In addition, they provide vitamins and minerals. We should also not neglect physical activity that increases energy demand. The theory of negative calories is extremely interesting, but it has not been confirmed in scientific studies, so it cannot be used as an aid in weight loss. Instead of relying on magical methods, take care of a proper energy deficit diet so that weight loss is possible even with your favorite snacks or meals.
Source

Boschmann M., Water-induced thermogenesis, „The Journal of Clinical Endocrinology and Metabolism” 2003, 88(12), 6015–6019.
Brown C.M., Dulloo A.G., Montani J., Water-Induced Thermogenesis Reconsidered: The Effects of Osmolality and Water Temperature on Energy Expenditure after Drinking, „The Journal of Clinical Endocrinology & Metabolism” 2006, 91(9), 3598–3602.
Buddemeyer K.M., Alexander A.E., Secor S.M., Negative calorie foods: An empirical examination of what is fact or fiction, biorxiv.org/content/10.1101/586958v1 (6.10.2021).
Clegg M.E., Cooper C., Exploring the myth: Does eating celery result in a negative energy balance?, „Proceedings of the Nutrition Society” 2012, 71(OCE3), E217.
Płazowska I., Ujemne kalorie. Prawda, ziarno prawdy czy mit?, dietetycy.org.pl/ujemne-kalorie/ (6.10.2021).
Kudełka W., Jachna D., Charakterystyka żywności o obniżonej wartości energetycznej, „Zeszyty Naukowe Uniwersytetu Ekonomicznego w Krakowie” 2009, 834, 69–96.
Olchowy K., Wartość energetyczna posiłków – czym jest i jak ją obliczyć?, zywienie.abczdrowie.pl/wartosc-energetyczna, (6.10.2021).
Tinslay G., Do Negative-Calorie Foods Exist? Facts vs Fiction, healthline.com/nutrition/negative-calorie-foods#fact-vs-fiction (6.10.2021).