The keto diet is a very low-carb and higher-fat diet. It’s similar in many ways to other low-carb diets.
While you eat far fewer carbohydrates on a keto diet, you maintain moderate levels of protein intake and may increase your intake of fat. The reduction in carb intake puts your body in a metabolic state called ketosis, where fat, from your diet and from your body, is burned for energy.
The “keto” in a ketogenic diet comes from the fact that it allows the body to produce small fuel molecules called “ketones.”
This is an alternative fuel source for the body, used when blood sugar (glucose) is in short supply.
When you eat very few carbs or very few calories, the liver produces ketones from fat. These ketones then serve as a fuel source throughout the body, especially for the brain.
On a ketogenic diet, your entire body switches its fuel supply to run mostly on fat, burning fat 24-7. When insulin levels become very low, fat burning can increase dramatically. It becomes easier to access your fat stores to burn them off.
This is great if you’re trying to lose weight, but there can also be other, less obvious benefits, such as less hunger and a steady supply of energy (without the sugar peaks and valleys we can get from high carb meals).
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