This article is part of our Complete Guide to Keto
What is Ketosis?
Updated March 31, 2019
Ketosis is a completely normal metabolic state, in which your body switches to burning fat for fuel, instead of glucose. Reaching ketosis and maintaining it for long periods of time is one of the main goals when you’re doing keto.

How do I get into ketosis?

Getting into ketosis is achieved by depleting your glycogen stores. To do that, you need to limit your carb consumption to a very low daily amount, around 20g net carbs per day.

Carbs, which are the preferred fuel of choice of your body, are stored in your muscles and liver in the form of glycogen; each molecule of glycogen is bound to 3 molecules of water. Most people usually store between 1400 to 2500 calories worth of glycogen in their bodies, and it usually takes 2 to 3 days of restricting carbs to very low levels to deplete it. After that, you’ll reach the state of ketosis, and as long as you stick to your carb limit, you’ll stay in it.

When you’re in ketosis, your liver produces ketone bodies from fat - either from the fat you’re consuming from food, or from body fat. Ketones are then used to fuel your brain, muscles and organs.

Is there a quick way get into ketosis?

The best way to get into ketosis is just to restrict carbs to 20g net carbs daily. That’s sufficiently low for practically anyone to reach ketosis in a couple of days (at most).

Additionally, exercise and simply being more physically active might speed things up, since it will help you deplete glycogen stores faster. Fasting is another way to accelerate the process: during the period of the fast, you won’t be using food for energy.

Nevertheless, if you simply stick to limiting your carbs to keto levels, this will be completely sufficient on its own.
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