Here's the Knowledge Stage analogy: Say we are hungry and want to go out to eat. It wouldn't make much sense to sprint to the nearest restaurant, right? Wouldn't we be better served to take the few minutes to learn about what's available, and then make a plan? Yes, we would take the time to Yelp or ask a friend for some knowledge and use that information to decide where we want to go.
There are variations of the ketogenic diet that are implemented for a variety of reasons. One of the top reasons these variations are used are for athletes who are not getting the necessary energy required for their intense workouts. There are also those who enjoy the benefits of ketosis, but they just do not feel the same without a carb refeed day every now and then.
Protein will induce an insulin response in the body, if consumed in high amounts. The most intuitive way to start a keto diet for most people is by removing all of the carbs they have been eating. Typically people will replace those calories by increasing their lean meat consumption. That's a recipe for disaster! Keeping protein moderate is an often overlooked, but very important part of a keto diet. Most people need around 0.6g to 1.0g of protein per pound of lean body mass.
¢ Water Loss: There is some evidence that higher-protein diets like the keto diet do have some weight-loss benefits, partially because both fat and protein are satiating so you don't feel hungry, but also because of the loss in glycogen stores. Glycogen is the body's glucose storage that is bound up with water, so when we deplete the glycogen, you also deplete your water storage. Lose a ton of water, and you're going to drop weight fast.
I have read your article and lots of other stuff on Keto, but I still don't understand why it has to be so high in fat? I am on a calorie controlled diet which should also be pushing me into ketosis (Optifast + veges) nutritionist suggestion to go hard for a month. But after that was looking at moving to a Ketogenic diet. I am just having a hard time with understanding why it has to be high fat. Can you help me understand? Also love your writing style (particularly referencing Ace Ventura).
I've always heard that the brain functions well on ketones. Gluconeogenisis typically reduces ketosis, though as well? This is the first time I've heard anyone say the brain can't use anything but glucose. I know there's *preferred* sources of fuel over others, but I was also fairly certain other sources were fine.. or humans might be in a bit of trouble.
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