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  1. #1
    Registered User GymHardPlayHard's Avatar
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    Why is Fructose insignificant to Glucose??

    Can someone answer this... doesn't make sense?
    Ok so an aspect of PWO nutrition is to replenish Glycogen stores in both the liver and the muscles, Glucose primarily replenishes muscle glycogen and as a result is seen an better than the other type of simple sugars, I.e. Fructose being one....

    1. Even though fructose/sucrose go straight to the liver it is then turned into glucose IN the liver, and therefore can be used to restore muscle glycogen anyway, how does this make it insignificant?

    2. Why would it be bad to replenish the liver after a workout anyway? surely you want to replenish all blood glucose, liver glycogen and muscle glycogen???
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  2. #2
    Registered User rand18m's Avatar
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    Originally Posted by GymHardPlayHard View Post
    Can someone answer this... doesn't make sense?
    Ok so an aspect of PWO nutrition is to replenish Glycogen stores in both the liver and the muscles, Glucose primarily replenishes muscle glycogen and as a result is seen an better than the other type of simple sugars, I.e. Fructose being one....

    1. Even though fructose/sucrose go straight to the liver it is then turned into glucose IN the liver, and therefore can be used to restore muscle glycogen anyway, how does this make it insignificant?

    2. Why would it be bad to replenish the liver after a workout anyway? surely you want to replenish all blood glucose, liver glycogen and muscle glycogen???
    You are on a subject that would have no relevance to you based on your age and size imo, but if you want a better understanding you should research fructose metabolism. You have that metabolism incorrect. You can find the basics through Google or Yahoo easily. GL
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  3. #3
    Chasing cats since 1967 WonderPug's Avatar
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    You've started many threads, all with the same theme.

    My suggestion: ask these questions to the medical team who has been treating your anorexia as they're in the best position to help you.
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  4. #4
    ❚█══█❚ EjnarKolinkar's Avatar
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    Originally Posted by rand18m View Post
    You are on a subject that would have no relevance to you based on your age and size imo, but if you want a better understanding you should research fructose metabolism. You have that metabolism incorrect. You can find the basics through Google or Yahoo easily. GL
    This OP

    It is not bad to replenish liver stores, the liver just holds a very small reserve.

    In reality unless you are running multiple bouts of intense exercise your normal meals are adequate to replenish glycogen as long as they have adequate potato, rice, bread, pasta and the like. People who are depleted deliberately through very low carb diets or say a 5 game basketball tournament need to be more concerned with short term replenishment.

    This people tend to shy away from fructose or sucrose (contains fructose) as primary sources of replenishment as the liver fills to capacity long before muscles do.
    What if every day was beautiful and you did not realize it?
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  5. #5
    Registered User GymHardPlayHard's Avatar
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    Originally Posted by EjnarKolinkar View Post
    This OP

    It is not bad to replenish liver stores, the liver just holds a very small reserve.

    In reality unless you are running multiple bouts of intense exercise your normal meals are adequate to replenish glycogen as long as they have adequate potato, rice, bread, pasta and the like. People who are depleted deliberately through very low carb diets or say a 5 game basketball tournament need to be more concerned with short term replenishment.

    This people tend to shy away from fructose or sucrose (contains fructose) as primary sources of replenishment as the liver fills to capacity long before muscles do.
    Ok thanks man this realy helped clear my head, just to be sure let me make sure ive got this correct...
    1. Fructose/sucrose refills the liver first BEFORE the glycogen and then the glycogen would be refilled later in the either by mean of that fructose/sucrose (partialy) or by means of eating more complex carbs later in the day.

    One more question - If you were to run out of glycogen in the muscles but refill the liver, could it work like this.
    Eat a form of fructose/sucrose which goes to the liver > the liver converts that into glucose and is stored in the form of glycogen > blood glucose is released> the muscles take some of THAT glucose and replenish muscle glycogen?
    Thanks again
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  6. #6
    Registered User AAOBob's Avatar
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    You are 17 and underweight. EAT.

    Originally Posted by WonderPug View Post
    My suggestion: ask these questions to the medical team who has been treating your anorexia as they're in the best position to help you.
    Obsession is a term the lazy use to describe the dedicated.
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