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Can you survive on a 2000 calorie liquid diet indefinitely?

JEDI

JEDI

Lifer
protein powder at a health store like GNC + water = ~2000 calories

To the human body a calorie is a calorie right?

assuming 0 cholesterol, 0g saturated fat, low sugar + sodium:
Can you survive on this liquid diet forever? Why/Why not?

 
Well you need certian levels of cholesterol and fats to stay alive. You also need sodium, fiber and other nutrients. If you were able to get them all in liquid form, I don't see why not. But if your thinking on living on some mega man protin shake for an extended time, your going to run in to some health problems.

No Vitamin C = skurvy
 
I don't see any problem as long as you are taking a multivitamin and getting fiber. I have gone long periods of time getting the vast majority of my calories from shakes, however my shakes consisted of milk, protein powder, oats, and natural PB, so I was getting enough fats, fiber, etc.

Whether 2000 calories is "enough" depends entirely on the individual and their goals.
 
Originally posted by: Special K
I don't see any problem as long as you are taking a multivitamin and getting fiber. I have gone long periods of time getting the vast majority of my calories from shakes, however my shakes consisted of milk, protein powder, oats, and natural PB, so I was getting enough fats, fiber, etc.

Whether 2000 calories is "enough" depends entirely on the individual and their goals.
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Man I cant wait to get back home and have a blender, and make real shakes. I'm taking in 1500 calories a day with just weight gainer + whey shakes as part of my 5000+ calorie diet.
 
Originally posted by: Mrvile
What kinds of foods can you live the longest on? Just one food...
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Something that's almost entirely fat, extremely low on protein and carbs, but also diverse in nutrients. Nothing like that probably exists, gotta diversify.
 
Liquid diets are terrible for the metabolism when compared to solid foods, as digesting liquids require far less metabolic energy. If you take liquids long enough your metabolism will slow down to a crawl.
 
Originally posted by: Rudee
Liquid diets are terrible for the metabolism when compared to solid foods, as digesting liquids require far less metabolic energy. If you take liquids long enough your metabolism will slow down to a crawl.
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I've seen enough bodybuilders/weightlifters diet down on all-liquid diets that I wouldn't believe this to be true in general.

 
Originally posted by: Special K
Originally posted by: Rudee
Liquid diets are terrible for the metabolism when compared to solid foods, as digesting liquids require far less metabolic energy. If you take liquids long enough your metabolism will slow down to a crawl.
Click to expand...

I've seen enough bodybuilders/weightlifters diet down on all-liquid diets that I wouldn't believe this to be true in general.
Click to expand...


To my knowledge - and I follow bodybuilding quite closely - there is not a single pro who uses liquid diets exclusively when dieting down. Most who take shakes use them no more then 2 or 3 times a day to supplement their solid meals. Weight lifters as opposed to bodybuilders train for strength not size, thus they certainly won't diet down to begin with, especially on liquid shakes.
 
Originally posted by: mugs
Ever heard of Terri Schiavo?
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Exactly. How do you think people that are in a coma for years survive?

They aren't shoving a steak down your throat and using a plunger.
 
If it has all the essential amino acids, along with the vitamins, minerals, fibre then i dont see why not!
 
I have a friend with Duchenne's muscular dystrophy that has lived the last 15 years on a liquid diet. It's not that hard, really.
 
As long as your calories used = your calories gained from food you should be fine. However if you eat ~1500 or 1000 calories each day it does not mater what you really eat you will lose weight over time.
 
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