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This cruciferous vegetable packs more nutrition into a serving-along with more calories, of course. You’ll also get 2.4 grams of fiber and almost your entire daily allowance of vitamin C (81.2 micrograms) and vitamin K (92.5 micrograms). You get 6 grams of carbs, 2.6 grams of protein and only 0.3 grams of fat. Let’s begin with an all-star on this list: One cup of chopped broccoli provides plenty of nutrition for its 31 calories. So, what exactly are the nutritional profiles of these alleged miracle foods? Let’s check them out! As you’ll see, they all do contain calories. There you have it, an apple beats a Pop-Tart again! How healthy are these negative-calorie foods? BTW, if you need another reason to eat whole foods instead of processed ones, research shows the TEF of processed meals and snacks is about 50% less than that of whole foods. Taking the bronze medal (you could’ve guessed this, right?) is fat. Of the three major macronutrients, protein has the highest TEF, meaning it burns the most calories during digestion. But don’t break out the bubbly just yet! You shouldn’t suddenly add 10% more calories into your metabolic life because you now know about it. It takes energy to chew, swallow and digest. This process is often referred to as the thermic effect of food (TEF). People use about 10% of their daily caloric expenditure (in other words, how many calories we burn on a daily basis) digesting food. Negative-calorie foods include celery, cabbage, garlic, and leafy greens, all of which have very few calories to begin with.
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The theory suggests that some foods cause the body to burn more calories than they actually contain. The negative-calorie food theory is based around the idea that the body uses energy to digest and process foods. What is the negative-calorie food theory?
#Negative calorie foods full#
“When your diet is full of a lot of ' negative- calorie' foods, yes, you can lose weight,” Zeitlin says.Wouldn’t it be nice to eat as much as you wanted of certain foods-and actually lose weight just from eating them?! Umm, yes! Before I break down whether these miracle goodies actually exist, let me give you a little background. “The types of foods that are usually credited as being ' negative- calorie,' like celery, apples, broccoli, asparagus, and cabbage, are all low in calories and high in fiber,” Zeitlin says.
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That's not to say that celery sticks - along with other high fibre, water-heavy fruits and vegetables - have no value as weight-loss aids. Never mind that man cannot live on celery alone, and few people just eat raw celery.
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However, celery has a thermic effect of around 8%, much less than the 100% or more required for a food to have "negative calories".įurthermore, what foods burn more calories to digest than they contain? Hit the jump for the full list. The amount of energy we can extract from celery is negligible, a measly 6 calories in a medium-sized stalk.Īccordingly, which foods have negative calories?įoods claimed to be negative in calories are mostly low-calorie fruits and vegetables such as celery, grapefruit, lemon, lime, apple, lettuce, broccoli, and cabbage. Celery is one of the most touted negative-calorie foods, because much of its caloric content is bound up in cellulose, a fiber that humans can't digest.