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Is Glucose Stored As Fat?

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Glucose - Storage Of Energy In Muscles Vs Fat Depos - Biology Stack Exchange

The regulation of metabolites and signals in general (glucose (Glc) or FFA in this case) and their selective uptake by cells, depends on the number (from few hundreds to many thousands) of receptors expressed and displayed to the surrounding environment, the type of receptors (what they can bind, and do as a result) and their properties. The regulation of glucose storage and use in muscle cells is determined largely by the dynamic energy state of the cell, which is can be described (to first approx at least) as the cellular equilibrium between ATP<-->ADP<-->AMP. The key here is to be aware that nothing is happening in isolation and the whole metabolism of the cell is one giant equilibrium. You make a change at one place that will result in proportional changes elsewhere to compensate. If you start exercising, that is using ATP rapidsly, suddenly AMP spikes, the increase in [AMP] results in the upregulation of key enzymes in Glycolytic and TCA pathways, which causes and increase in ATP producting. How much is made? Whenever possible always just enough enough to meet the demand (assuming cell has resources to supply it and manufacture it). Absolutely, in the same way, the energy sta Continue reading >>

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  1. Emacfarland

    I'm confused about what defines being in nutritional ketosis based on blood levels. The Diet Doctor website says 1.5 is considered ketosis while I've heard on Keto Talk from Doc Nally that fit and active people can be in ketosis at levels of .3 or .4 and that higher levels don't necessarily mean better. So I'm not sure what the heck I'm aiming for! If I get readings below 1.5 am I doing something wrong? I am fit and active and Doc Nally has said this can make blood ketone level readings lower because an active persons body is using the ketones more efficiently. Should I be aiming for higher levels?

  2. BillJay

    It seems that the longer someone is keto-adapted, the more their body produces just the right amount of ketones and what we measure in the blood is only what's not actually being used, therefore it seems not only possible, but likely that people are in ketosis even with lower betahydroxybutyrate (BHB) levels - the ketone in the blood that these meters measure.
    This is somewhat frustrating for me since I'd like for there to be an objective measurement of being in ketosis, but that seems to be elusive.
    Therefore, a better indication is your level of carbs since it is HIGHLY unlikely that anything over 50 carbs is in ketosis and more likely that keeping carbs under 20 grams is a safe bet. Another indication is keeping protein at moderate levels which is 1.0 to 1.5 grams per kilogram of lean body weight.
    Once the macro-nutrients are in the proper range, I think that signs of keto-adapation are more poignant and below is a post from Mark Sisson on Dr. Mercola's site that explains many of the signs of being keto-adapted.

    What Does It Mean to Be Fat Adapted?
    543

  3. richard

    Dr Phinney invented the term so he gets to define it.
    In his book "The art and science of low carbohydrate living" he gives the range from 0.5 to 3.0 mmol/l
    But recently he mentioned that some of Dr Volek's very athletic subjects were clearly in ketosis at 0.2 mmol/l.
    My personal range is from 0.2 to 0.8 mmol/l, and I have been in ketosis for almost 3 years. Prof Tim Noakes is also normally in the same range 0.2-0.8.
    I suspect when we first start we aren't good at using them so we make too many and use too little so we end up with a lot left in our blood. After we become better adapted we end up in whatever physiological range our bodys feel best ensures our survival. And people who are trained and good fat burners may be able to get away with less because they can make it easily.
    When I fast for 3 days and then do 3 hours of exercise my ketones can go as high as 3.5. But I know people who regularly get up to 7.
    It's worth pointing out that Dr Nally has mentioned in his most recent podcast that he eats exogenous ketones 3 times a day. And he sells them.

    Personally I wouldn't be worried. I think you are doing fine.

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Absorbing And Storing Energy: How The Body Controls Glucose

Absorbing and Storing Energy: How the Body Controls Glucose Editors note: Physicians have a special place among the thinkers who have elaborated the argument for intelligent design. Perhaps thats because, more than evolutionary biologists, they are familiar with the challenges of maintaining a functioning complex system, the human body. With that in mind, Evolution News is delighted to offer this series, The Designed Body. For the complete series, see here . Dr. Glicksman practices palliative medicine for a hospice organization. Just like a car needs the energy, in the form of gasoline, to run properly, the body needs the energy in glucose to survive. When we havent eaten for a while, our blood glucose level drops and our stomach is empty, causing the hunger center in our brain to tell us to eat or drink something with calories. As I have explained in my last couple of articles, the complex molecules that are in what we eat and drink enter the gastrointestinal system, where digestive enzymes break them down into simpler molecules so the body can absorb them. Carbohydrates are broken down into simple sugars, like glucose, which are then absorbed into the blood. Tissues, such as the Continue reading >>

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  1. Bundy343

    diarrhea while on keto

    have a friend doing keto, says he has the runs. I assume hes just not drinking enough. True?

  2. jbland

    Originally Posted by Bundy343
    have a friend doing keto, says he has the runs. I assume hes just not drinking enough. True?

    oh no...

  3. Obnoxious123

    Probably eating sh!t food. Have him take psyllium husk fiber 2x a day (18g fiber), and eat better quality food.

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How Our Bodies Turn Food Into Energy

All parts of the body (muscles, brain, heart, and liver) need energy to work. This energy comes from the food we eat. Our bodies digest the food we eat by mixing it with fluids (acids and enzymes) in the stomach. When the stomach digests food, the carbohydrate (sugars and starches) in the food breaks down into another type of sugar, called glucose. The stomach and small intestines absorb the glucose and then release it into the bloodstream. Once in the bloodstream, glucose can be used immediately for energy or stored in our bodies, to be used later. However, our bodies need insulin in order to use or store glucose for energy. Without insulin, glucose stays in the bloodstream, keeping blood sugar levels high. Insulin is a hormone made by beta cells in the pancreas. Beta cells are very sensitive to the amount of glucose in the bloodstream. Normally beta cells check the blood's glucose level every few seconds and sense when they need to speed up or slow down the amount of insulin they're making and releasing. When someone eats something high in carbohydrates, like a piece of bread, the glucose level in the blood rises and the beta cells trigger the pancreas to release more insulin in Continue reading >>

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  1. angeleyedchaos

    Hello there!! After lurking a bit and being generally dissatisfied with my self image I decided to give Keto a try. I started yesterday and got to pick up some keto sticks today after already feeling the flu like symptoms. I got a result of "moderate" and found it odd as I just started yesterday.... could something else be going on?
    Thanks in advance!!!

  2. anbeav

    It's fine most enter in 1-3 days

  3. Naonin

    It's fair to say all humans enter ketosis after 24 hours of not eating carbs, as long as protein isn't kept ridiculously high.
    Humans enter ketosis more quickly than any other mammal and with no negative symptoms: http://caloriesproper.com/ketosis-in-an-evolutionary-context/
    And for those of you who want yo argue no negative symptoms, why do you think people even question when they enter ketosis? The switch to entering ketosis happens so subtly that we need to pee on a stick to make sure it's happening. :)

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