Foods
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Negative Calorie foods ?


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So a while back I came across an article that talked about negative calorie foods.

If you haven't heard about them, let me give a brief summary:

Negative calorie foods are certain fruits and vegetables that have a low calorie, high fiber and high water content. This includes grapefruit, watermelon, strawberries, celery, lettuce, cucumber, etc.

And the theory behind this "negative calorie" business is that sense these food items contain so much fiber and cellulose, it is very hard for our bodies to digest them. So it actually takes MORE calories for our bodies to digest these fruits and veggies then it contains.

Well, now that I have given a summary..

I was wondering if any of you have actually TRIED this negative calorie "diet" for yourself? And if so, have you lost any weight?

For some reason, I can't picture a person losing weight while eating 5,000 calories worth of lettuce and melons a day.

..Or maybe it IS possible!?

Edited Apr 19 2008 16:16 by nycgirl
Reason: Moved from Weight Loss to Foods forum
5 Replies (last)
I can't imagine anyone eating 5,000 calories worth of those foods period.

Personally I don't buy into the negative calorie ****, I mean it's believable that something disgusting like celery would be negative calories but fruits I don't believe... I've seen those negative calorie lists before and they basically list almost every single fruit (not quite but they list most of them) and if fruits were actually negative calorie then we wouldn't have developed such a taste for them. Our ancestors developed a taste for fruits because they provided quick energy. So speaking in terms of evolution, it just doesn't make sense.

As for the veggies, I doubt they're actually negative calorie but it really doesn't make a difference either way, since they hardly have any calories to begin with, and if they are negative calories then the extra calories they burn would probably be like 2.
#2  
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You're right, the calorie deficit is something like 3 or 4 calories.  By all means eat these foods though, they're all healthy fruit and veggies.... 

If you're going to try this, please remember to keep it balanced and also, get some protein in there. I had a friend who was not very overweight, yet managed to lose around 20 pounds in a couple months just eating nothing but celery. Talk about unhealthy... She gained it ALL back plus more once she started eating normally again.

Foods like celery are good if you're on a diet because you can eat them as snacks when you're hungry and you won't put on any weight, cos they're practically no calories even though they're not negative. It's pretty much just celery and cucumber I think cos they're almost totally water. Eating them along with an unhealthy diet won't do anything, but if you just want something to keep you full then go for them.

Original Post by charbycharb:

Foods like celery are good if you're on a diet because you can eat them as snacks when you're hungry and you won't put on any weight, cos they're practically no calories even though they're not negative. It's pretty much just celery and cucumber I think cos they're almost totally water. Eating them along with an unhealthy diet won't do anything, but if you just want something to keep you full then go for them.

 Yeah what that guy said XD  Negative-calories are more or less mythical creatures, like imaginary numbers.  But some of these foods are so LOW in calories that they aren't very good at providing fuel for your body.  Good filler-foods for someone watching their calorie intake, but hardly anything you'd want to live on.

That said, I have been eating more strawberries lately than humanly possible - it thrills me they're so "calorie-cheap," but really I'm eating them because I love them more than anything XD  I just got lucky that they're good for me, too :)

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