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What are carb-withdrawal symptoms? What does sugar withdrawal feel like?

Published on: April 23, 2018

Animal studies found that sugar affects the brain much like a drug [1], and the same is likely true for other types of carbs. So, depending on how much you are used to carbs and sugar, you may develop withdrawal symptoms once you go keto.


Symptoms you are likely to experience include cravings, obsession, mood swings, fatigue, dizziness, and irritability [2]. These are the same symptoms you would experience when giving up any other drug because it affects the brain.


Fortunately, the majority of these symptoms only last a few days. Once you've been on keto for a couple of weeks, you'll notice your desire for sweet foods subside since your brain will no longer be dependent on carbs for energy and for neurotransmitter regulation [3]. Newer studies are also showing that keto helps with food cravings in certain people [4]. 


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