Glycogen

Glycogen

Glycogen Questions

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by 215 · 19 minutes ago

I was just interested in how many carbohydrates I would need to maintain muscle glycogen because there is nothing worse than "bonking" in the middle of a workout. I'm 13, 5 foot 5, 120 pounds, I workout about 5 times a week for about 40-50... (more)

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MrNada 0 · December 04, 2013 at 8:27 PM

i would not restrict carbs. eat at least 150g of carbs a day

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by 7292 · 27 minutes ago

The primary reason for failure in climbing is "the forearm pump" when lactic acid builds up in the forearms faster than the body can clear it out, thus resulting in less grip strength and ultimately falling. Given that burning fat doesn't produce... (more)

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by 0 · 29 minutes ago

Hello: I am Type 2 diabetic and was recently prescribed a daily dose of 100mg Sitagliptin Phosphate (Januvia). My reading informs me that this drug prevents the liver from releasing glucose. I know that the liver stores excess glucose in the... (more)

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Janknitz 0 · July 14, 2013 at 9:18 PM

Have you failed other, more standard treatments for type II like Metformin and limiting dietary carbs??? Did your doctor explain to you why he chose Januvia over treatments with more history of safety and effectiveness? Metformin is very safe... (more)

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by 181 · 30 minutes ago

I've been paleo for a year. I lift weights for aesthetics and strength and want to stay lean all year round' while making good size/strength gains. I eat a lot of meat, and a lot of vegetables. I eat 4 meals a day, mainly consisting of about 200... (more)

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Albert83BCN 0 · July 09, 2013 at 9:06 AM

You won't probably find the perfect answer to your question because this depends a lot on your school of thought, some like Phinney & Volek, Peter Attia and many others think that the glycogen repletion need from carbs is a myth and that you... (more)

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by 5 · 36 minutes ago

Hi everybody, I have a question regarding the glycogen / glucose release by the liver. So far I have read that once the food is being digested in the stomach, it slowly moves down the small intestine, where it begins to being absorbed, these... (more)

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by 374 · 39 minutes ago

If my goals are to replenish muscle glycogen, then I know glucose is my best bet from starches and I know that fructose will only replenish liver glycogen and the liver can also be filled from glucose. My question regards milk sugar, which from... (more)

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Mscott 0 · May 02, 2013 at 8:39 PM

Both fructose and galactose can refil muscle by being converted into glucose quite easily. Galactose by the Lelior pathway and fructose via the glycolysis/gluconeogenesis pathway. Here's an applicable blog post on the Perfect Health Diet Website:... (more)

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by 5 · 44 minutes ago

Im a Carpenter/Construction worker. Ive just switched to Paleo style eating at work (more sustained energy levels) but im worried about my glycogen levels dipping too low on intense working days. I carb up after work to restore muscle glycogen.... (more)

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Eugenia 0 · April 08, 2013 at 8:35 AM

Paleo doesn't have to be low carb. You're doing an intensive job (I known your pain, my dad was a construction worker too), so make absolutely sure you eat starchy vegetables, and fruits and white rice if you can tolerate them. Running your body... (more)

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by 2407 · about 1 hour ago

Just wanna carb reload spent fuel only. Weights don't actually use that much as far as I can tell. I'm 6'1 152lbs 10% BF presently. I'm figuring 1.5g carbs per lbs lean body mass.

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CD 0 · January 25, 2013 at 1:23 PM

Technically speaking, muscles can store about 15 g/kg (note this is muscle not lean mass) Additionally your liver can produce up to 200g glucose/day via GNG (assuming sufficient fat/protein/etc). 200g is a maximal estimate, in reality not... (more)

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by 2407 · about 1 hour ago

My question is when should one eat carbohydrate for optimal glycogen replenishment AND bodyfat reduction? Does it matter for the purpose of bodyfat reduction BELOW 10%? The two main protocols I'd like to compare are Leangains and Carb... (more)

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Olivier 0 · December 03, 2012 at 8:32 PM

The CBL protocol relies on the fact that strength exercise induces insulin-independent upregulation of glucose transporters on the surface of muscle cells. So post exercise, all high glycemic carbohydrates will be literally soaked up by your... (more)

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by 190 · about 1 hour ago

Does lactose work well to replenish glycogen store after a workout? How does the body use this sugar?

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borofergie 0 · November 29, 2012 at 2:45 PM

Unless you are lactose intolerent, it gets metabolised into glucose and galactose, both of which can replenish your glycogen stores.

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by 739 · about 1 hour ago

will jogging use alot of glycogen, should I eat after a jog?

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KA24 0 · November 24, 2012 at 7:57 PM

Glycogen is stored in the liver and muscle tissue. The former is pretty standard across the board for human beings as the human liver does not vary a ton in size. Muscle glycogen storage is going to be relative to the amount of muscle mass a... (more)

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by 2407 · about 1 hour ago

How long does it last? Is this whats known as the glycogen window? How does caffeine affect it?

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jakeA 0 · October 05, 2012 at 12:13 PM

While I can't give you a correct or full answer to your question, I suggest you check out www.dangerouslyharcore.com and either get the book or read what Keifer has written. Also check out this article that describes it more in laymans terms:... (more)

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by 300 · about 1 hour ago

Obviously not talking about cows, pigs etc, but fresh fish, rabbits etc are easily accessible within hours of catching and killing them. I find most fish is best eaten before it goes into rigor mortis, and that I assume that this preserves the... (more)

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Andreas_1 0 · August 19, 2012 at 8:04 PM

A muscle can be up till 4% glycogen, but that isn't normal in nature, only in carbloaded human athletes. My best guess will be 1-2%.

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by 8014 · about 1 hour ago

Hey there, I like to think I've learned a fair bit amount human metabolism, and yet there's something I don't quite understand. How, exactly, does a "sugar crash" or low blood sugar work in people eating the SAD? Here's my thinking: Let's... (more)

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miked_2 0 · July 10, 2012 at 4:38 PM

Well, as you said there's too much insulin. Insulin works to drive the equilibrium towards storage and away from burning of sugar. So even if you have all the sugar you could use, the presence of insulin virtually locks it away so it can't be... (more)

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by 1304 · about 1 hour ago

The body stores about 1800 calories of glycogen, give or take. When marathoners hit "the wall" after 15-20 or so miles they have mostly depleted these stores and are having trouble adjusting to burning fat. If I train in nutritional ketosis,... (more)

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Wowza 0 · May 03, 2012 at 6:11 AM

Read Volek's new book on exercise performance. He offers the case studies of quite a few ultra-marathoners - folks who do 50, 100 mile runs - who live in ketosis just for the advantage of always have steady fuel during these very long endurance... (more)

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by 3280 · about 2 hours ago

I know this is really a dumb question, and probably falls in the category of a little knowledge is a dangerous thing, but: If the only carbs one ate was from fruit (fructose), and if fructose makes a 'b-line' directly to the liver to be... (more)

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August 0 · April 04, 2012 at 6:51 PM

No, the liver will put some out into the blood stream. A low and even level, so it won't fill up the muscles really fast, but the muscles will get what they want eventually. Electrolytes, dehydration- these are the likely reasons for muscle... (more)

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by 319 · about 2 hours ago

my question is concerning muscle glycogen, liver glycogen and ketosis. If your following a targeted ketogenic approach where you consume carbohydrate pre workout and possibly post workout without interrupting ketosis because you are not... (more)

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August 0 · April 04, 2012 at 5:05 PM

The liver is going to keep it's glycogen stores steady. It is the emergency supply for the body, especially the brain. Meanwhile, your muscle glycogen gets used locally in whatever muscle you exercise. So your plan isn't going keep liver... (more)

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by 319 · about 2 hours ago

Carbs are parasympathetic and thus low carb diets are often recommended for those whose nervous systems display parasympathetic dominance. my question is since low carb diets are literally magic for those who respond well to them such as myself... (more)

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Beth_WeightMaven 0 · March 24, 2012 at 4:40 PM

You got me ... this sounds like woo. Carbs are parasympathetic? Really? Love to hear more about where this idea comes from. I'm also skeptical that there are lots of folks running around in the modern world displaying "parasympathetic dominance"... (more)

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by 319 · about 2 hours ago

If pre/post workout carbohydrate consumption preferentially replenishes muscle glycogen would carbohydrate consumption before bed preferentially replenish liver glycogen. Since glucose uptake by the muscle would not be increased before bed and... (more)

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greymouser 0 · March 30, 2012 at 2:56 PM

For body recomp / fat loss reasons, I'm currently doing a leangains inspired 16/8 IF, and because it's easiest for me to workout in the morning (yet fast until noon), I started this endeavor being very sensitive to "having enough energy" and liver... (more)

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by 319 · about 2 hours ago

Hi, My question concerns the relationship between muscle glycogen liver glycogen and ketosis. Particularly, I am wondering if there is a way to have full or nearly full muscle glycogen levels while having low liver glycogen levels. The reason I... (more)

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conciliator 0 · March 23, 2012 at 7:46 PM

Targeted ketogenic diet. Have ~100g of carbs from starches around workouts, which should help preferentially fill in glycogen levels. Ketosis has more to do with how long it has been since you've had carbohydrates. Muscle glycogen content has... (more)

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by 3521 · about 2 hours ago

I know many posters, like Cliff, follow a high fruit diet and seem to be thriving on it. I personally consume a lot of carbohydrate too, but most of it comes from low fructose starch. I have always avoided fructose because I have been under the... (more)

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cliff_1 0 · January 17, 2012 at 3:09 PM

The misinformation in the paleo community is astounding, you can see it in this thread. A combination of glucose/fructose(sucrose) is the most powerful stimulator of glycogen formation period(muscle and liver) "When 0.35 (low glucose: N = 5),... (more)

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by 35 · about 2 hours ago

Hi all! I'm a pro footballer (soccer) in Australia and have been Paleo for approximately 3 months now. Am as lean as ever, fit as ever and enjoying the lifestyle in combination with my training. I have one problem though. I still have a fear of... (more)

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ROB_3 0 · January 14, 2012 at 12:52 AM

Hey fellow soccer player. I played soccer the last 4 months of last year on a VLC, extremely high fat diet, and although I felt great at first I soon crashed and ran into various hormonal, sleep, and libido problems. I suggest you switch to a high... (more)

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by 514 · about 2 hours ago

I'm interested in moderate Carb paleo with only tubers 1-2x/week PWO. Will I (23 yr old male,10 % BF) need starch on my off days to avoid ketosis by a bit?

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conciliator 0 · December 20, 2011 at 7:20 PM

Liver glycogen is glycogen stored in liver. Muscle glycogen is glycogen stored in muscle. Liver glycogen is the determinant of ketosis. When liver glycogen goes down there are effects that lead to increased hunger (for some), decreased anabolic... (more)

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by 15003 · about 2 hours ago

In a post about triglycerides, VLDL and carbs, Ned Kock recently commented: The reality is that very little of the glucose/fructose from carbs gets past the liver in a health person. Muscle glycogen synthase activity is elevated days... (more)

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cliff_1 0 · December 15, 2011 at 11:10 PM

The whole glycogen deal is vastly misunderstood by just about everyone in the paleo community from what I read. They are still stuck on the assumption that fructose has to be processed by the liver before it can be used or that once the liver is... (more)

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by 951 · about 2 hours ago

I know that somewhat traditionally people tend to eat lots of starches and carbs to fill glycogen stores (like the carbo loads the night before highschool football games), but this seems more difficult from a Paleo perspective. I have a Crossfit... (more)

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sherpamelissa 0 · August 18, 2011 at 8:09 PM

I don't have time to do the in depth answer I would love to do, but I wanted to get you at least somewhere to start. First of all, if this event is coming up soon, like in the next 2 weeks, I wouldn't change anything you are currently doing. You... (more)

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