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???
09-20-2013, 06:20 AM #1
Why is Fructose insignificant to Glucose??
09-20-2013, 06:30 AM #2
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09-20-2013, 06:34 AM #3
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09-20-2013, 06:38 AM #4
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.Any extreme is not the way. It’s not about resorting to extremes, it’s about finding middle ground. - Frank Zane
09-20-2013, 06:52 AM #5
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?
09-20-2013, 07:09 AM #6
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