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Difference Between Liquid Calories and Solid Calories?


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Is there a difference between liquid calories and solid calories? My father fed through a tube in his stomach for the last 10 years of his life. He ate Glucerna by the case, and that stuff is packed with calories. It's like Ensure, but for people with sugar issues. He also at stuff that my mom liquified. Long story short, he was skinny as a freakin' rail, and this was a man who was prone to be overweight all his life, and I mean seriously overweight.

I just can't see how someone who ate 3500 cal/day in solid form would be the same size as if they ate 3500 cal/day in liquid form.

Thoughts?

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A calorie is a calorie, which state of matter it is currently in is insignificant.

#2  
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Could it be that they are more readily passed through the system in liquid form and don't have a chance to be processed? Most of our digestion takes place as solid food sits in the intestines, right? Perhaps we pass liquid calories before they have a chance to be digested. My guess is that if you ate liquid food all day you'd be going to the restroom quite a bit.

By the way, I'm not eating liquid food all day, nor do I plan to, nor do I advocate doing so. Laughing

#3  
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Assuming he aaa eating through a tube, he likely wasn't in optimal health. There could have been issues with absorption.
Original Post by gdharris:

Is there a difference between liquid calories and solid calories? My father fed through a tube in his stomach for the last 10 years of his life. He ate Glucerna by the case, and that stuff is packed with calories. It's like Ensure, but for people with sugar issues. He also at stuff that my mom liquified. Long story short, he was skinny as a freakin' rail, and this was a man who was prone to be overweight all his life, and I mean seriously overweight.

I just can't see how someone who ate 3500 cal/day in solid form would be the same size as if they ate 3500 cal/day in liquid form.

Thoughts?

I haven't read the label on Glucerna, nor would I have any idea the nutrtional info on stomach-tube liquids..but..was it super low in sugar/carbs?

If so, despite the calorie level, he may have been in ketosis longterm? You can't make or store body fat when you're in ketosis, hence the whole success of low carb diets.

When the body has no sugar to look to for energy, it turns to fat for fuel.

 

Original Post by n3matocyst:

Assuming he aaa eating through a tube, he likely wasn't in optimal health. There could have been issues with absorption.

Likely this. And, depending on what his health issues were, could have had a high metabolic rate, too. If you (or I) eat or drink our calories, both will have the same effect on weight.
I think that your father either had trouble absorbing his food and:or he used to eat more than 3500 calories a day.
#7  
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If only liquid cals did not matter so much! I would be on a wine diet lol

Essentially there are too many variables in this scenario. We have no idea about how your father's pathology is affecting his digestive system/metabolism etc.  Unless he kept very honest and detailed food diaries before he went to the hospital, there is no way to know if the calories he is receiving now are more or less than before.

I personally believe that liquid calories should not be any different than solid calories as far as simple weight maintenance is concerned.  Some nutrients are not as easy to dissolve in water or fat, but as far as the nutrients that give you energy/calories (protein, fat, carbohydrates), whether solid or in solution they should still give you the same amount of calories.  For example, whether you have 100 calories of liquid olive oil on your salad, or if you decide to put 100 calories worth of butter (solid at room temperature), it should still be 100 calories of fat.

Remember that babies gain weight and they are feed in liquid form :-)  I am a nurse and calories are calories however if it was Glucerna then the body was feed differently.  Liquid calories are processed at a different rate according to our Dietian at work and as you stated "Glucerna is for diabetics. 

but liquid fats at room temp are better bc they are the unsaturated fats:)
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