All About Ketosis

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What is Ketosis?

“Keto” comes from the word “ketones”. These ketones are the molecules that the body produces when it is on a Ketogenic Diet. These molecules serve as fuel when there is shortage in the supply of glucose in the body. Why is there a shortage of glucose? Because you are not taking in sweets or too much carbohydrates. We know that carbs serve as fuel so without it, our body produces an alternative fuel.
These ketones are being produced from fat which fuels our body as well as out brain. Our body then is in “Ketosis” during this period. The body will run on this alternative fuel making you lose weight really fast.
When you hear someone say that he is on a Ketogenic diet, perhaps you know that it is a low-carb type of diet. However, in order to be convinced to actually follow this, you need to know what it really is about, how your body reacts to this type of diet, and what is the possible outcome of such a practice.
You may have also heard or read that the Keto diet actually makes you consume fat, yet they say this diet turns your body into a fat burning machine. Let us answer those questions here.
The Ketogenic Diet is indeed a low-carb diet that helps your body burn fat, faster than your body normally does. It can lead to weight loss, better health, and greater performance. However, the Keto Diet should not be used only for weight loss. It should be followed so you can lead a healthier lifestyle.
Literally, ketosis is the process the body uses to live off stored body fat.
Fats are long strings of fuel. Like giant logs, they are too big to be burned directly, so they have to be broken down to smaller bits. The breaking down can happen in a cell that is planning to use the fat as fuel. When the splitting and burning happen in the same cell, it is called beta oxidation.
Some cells are too busy doing other things to go around splitting all their own firewood. Brain cells (neurons) for example, have no time to sharpen the axe, stack the logs, etc. It’s too bad, because brain cells are really active and need LOTS of fuel.
Luckily, the log splitting (fat breakdown) can be done remotely (in the liver) and the firewood (ketones) can be shipped (through the blood) to the furnaces (neurons) in a pre-packaged state (ketones). This is called ketosis. Basically, ketones are water soluble bits of fat carried in the bloodstream ready for use by any cell in the body.
While our ancestors lived off ketones all winter every year, if you have never stopped eating carbs for more than 3 days, your body has never used ketones as fuel. Your body will not be 100% efficient at it the first time. The liver and neurons will have to produce more of certain enzymes to get really good at living off the fat. That can take some time.
Usually, if your carb supply is below 25g per day, and if you are walking every day (like our ancestors had to), at around day 3, the liver is in full swing turning fat into ketones and shipping them off through the blood for use by the brain. The brain has also been making changes and at around the same time, and 3 days after stopping the carb deluge, it is ready to use the new fuel.


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