When does our body use liver glycogen? Muscles are fueled by muscle glycogen, then at what moments does our body fully utilize liver glycogen?
Thanks for the responses!
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05-30-2003, 02:49 PM #1
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05-30-2003, 03:23 PM #2
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05-30-2003, 04:35 PM #3
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05-30-2003, 05:33 PM #4
If I remember correctly....
Your liver is a storage tank for glycogen. When your muscles get low, glycogen is released into the blood stream from the liver and taken up into the muscle cells for energy. It's like having an extra battery backup.
A noble spirit embiggens the smallest man.
"Out of damp and gloomy days, out of solitude, out of loveless words directed at us, conclusions grow up in us like fungus: one morning they are there, we know not how, and they gaze upon us, morose and gray. Woe to the thinker who is not the gardener but only the soil of the plants that grow in him."
-Nietzsche
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05-30-2003, 06:52 PM #5
If liver glycogen is the "extra battery" for muscle glycogen, then the liver glycogen seems like it would rarely be used. The muscles hold a lot of glycogen. So it seems like the "extra battery" would kick in only after long and grueling workouts.
Since liver glycogen is rarely used, it must be full most of the time. Since it is full most of the time, that means we should always avoid fructose and fruits?!
I mean the liver glycogen tank won't be emptied out except for long and grueling workouts! I guess only then it is safe to eat some fruits or fructose.
Does this sound right?!!
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05-30-2003, 07:29 PM #6
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05-30-2003, 07:57 PM #7
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05-31-2003, 10:43 AM #8
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Originally posted by LadyLisa
I always thought that we used muscle glycogen during exercise and the rest of the time we primary run off blood glucose supplied by our food and liver glycogen.
??????
Good luck
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05-31-2003, 12:18 PM #9
Good info, thanks. It looks like I remembered wrong lol.
Lemme make sure I really got what you said...
Basically muscle glycogen is used for strength, heavy lifting type exercises, and liver glycogen is what maintains your blood glycogen levels for normal activities, like walking around and other day to day stuff. Correct?A noble spirit embiggens the smallest man.
"Out of damp and gloomy days, out of solitude, out of loveless words directed at us, conclusions grow up in us like fungus: one morning they are there, we know not how, and they gaze upon us, morose and gray. Woe to the thinker who is not the gardener but only the soil of the plants that grow in him."
-Nietzsche
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05-31-2003, 12:50 PM #10
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05-31-2003, 06:14 PM #11
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05-31-2003, 06:20 PM #12
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05-31-2003, 06:35 PM #13
The liver holds approx. 70-90g of glycogen (although keep in mind that it is usually near full already), while the muscles hold around 300g (plus or minus depending on how much muscle you have). I think fruit doesn't need to be COMPLETELY avoided, especially while bulking. But I would certainly only eat it in the morning, when glycogen levels aren't at their highest. That way, you ensure a little liver glycogen saturation (not a bad thing in the morning, unless you are cutting), and also include other carbs like oatmeal to help replenish muscle glycogen. Fruit's natural antioxidant effects are something I don't want to drop completely, they are far superior to supplemental vitamins. Just keep the fruit intake low.
Currently bulking...goal 3lbs+ increase every month.
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06-01-2003, 01:37 AM #14
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your body will start to use liver glycogen when you are depriving your body of carbohydrates and then when you you have depleted all your liver glycogen you will then go into ketosis where your liver will than start to produce ketone bodies. Which isnt totally healthy. This is common in people who are doing a low carb diet such as Atkins or a keto like diet also people who have diabetes have this problem as well.
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06-01-2003, 08:38 AM #15
how about lactose in milk there is a lot on milk sugar in milk products and how does your body use or store this
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06-02-2003, 10:47 AM #16
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06-02-2003, 11:36 AM #17Originally posted by sticklegs
how about lactose in milk there is a lot on milk sugar in milk products and how does your body use or store this"Homebrewing is easier than my ex-girlfriend" - Kitchen Chemist
jweave23@cyber-rights.net
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