Calories are a unit of energy; that is to say, if you consume a food that contributes 50 calories, this could be the energy that the organism will receive when consuming it.
Most people who try to lose or gain weight, know how to properly control the intake of calories. And, if you really want to lose weight, it is best to reduce your calorie intake or use stored calories through physical activity.
Some foods have become popular in this sense because they contain negative calories, which mean that you can supposedly lose calories by eating them. The question is: do the negative calories really exist? What are the foods with negative calories?
What are negative calories?
The term “foods with negative calories ” refers to a food that supposedly takes more calories to eat, digest and process what it naturally has or gives to your body. If these foods exist, theoretically you could lose weight when eating them, since you would use more calories at the time of eating and digesting it, than you really get from their caloric content. Food with negative calories
What foods supposedly have negative calories?
Those known to have negative calorie foods are usually fruits and vegetables with high water content. Some examples of them are the following:
- Celery: 14 calories per cup (100 grams), 95% water.
- Carrots: 52 calories per cup (130 grams), 88% water.
- Lettuce: 5 calories per cup (35 grams), 95% water.
- Broccoli: 31 calories per cup (90 grams), 89% water.
- Grapefruit: 69 calories per cup (230 grams), 92% water.
- Tomatoes: 32 calories per cup (180 grams), 94% water.
- Cucumbers: 8 calories per cup (50 grams), 95% water.
- Watermelon: 46 calories per cup (150 grams), 91% water.
- Apples: 53 calories per cup (110 grams), 86% water.
It is true that most of the foods mentioned above are nutritious, but it is unlikely that any of them contain negative calories. These foods contain calories, and there is no evidence to support the idea that requires more energy to eat, digest and process than they provide. Foods that can help you lose weight
How many calories are spent chewing?
People wonder if the calories used to chew food could help a food to be negative in calories. Research has determined that, for example, chewing gum increases the energy your body needs by approximately 11 calories per hour. If we compare the results of this research mentioned above with chewing any fruit or vegetable, it is very likely that it is small and relatively unimportant.Calories burned when chewing food
How many calories is spent digesting food?
It is true that your body needs energy to process food, but these are relatively smaller than those provided by these foods.
The energy used to process the food is calculated separately for carbohydrates, fats and proteins. For example: The energy used to process carbohydrates is 5 to 10%, 0 to 5% for fats and 20 to 30% for proteins. For this same reason, many experts recommend protein intake when losing fat .Calories used when digesting food
Are there foods with zero calories?
Like foods with “negative calories,” items with zero calories such as cold water are often promoted as an increase in metabolism.
Similar to chewing, drinking cold water consumes some calories; however, they are small amounts that go unnoticed.Drinking cold water can burn some calories
Food rich in nutrients and low in calories
Although foods with negative calories do not exist, many of these are known to be very nutritious. In addition, thanks to its low calorie content and high water content, you can often consume large quantities of these foods without consuming too many calories.
Fruits and vegetables
- Cabbage: contains only 7 calories per cup (20 grams), but contains vitamins A, K and C, as well as several minerals.
- Cranberries: contain 84 calories per cup (150 grams) and are a good source of vitamins C and K, as well as manganese ore.
- Potatoes: contain 58 calories per cup (75 grams) and are good sources of potassium and vitamins B6 and C.Natural foods low in calories
- Salmon: contains 121 calories and 17 grams of protein per 85 gram serving and is full of omega-3 fatty acids and vitamins.
- Chicken breast: contains 110 calories and 22 grams of protein per 85 gram serving.
- Simple Greek yogurt: a non-fat variety contains 100 calories and 16 grams of protein per 170 gram serving.
There are several advantages that natural foods have over processed foods, such as the following:
- They contain a greater source of vitamins, minerals and other beneficial compounds that do not have processed foods.
- Your body can use more calories to digest them compared to processed ones.
Foods with negative calories supposedly cause our body to spend more calories at the time of eating, digesting and processing than they provide to our body, but it is unlikely that these foods really have negative calories. However, they can be part of a rich and nutritious diet without any problem.
Finally, you should keep in mind that if you want to make a list of foods with “negative calories” you can leave out many foods that will provide important nutrients.
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