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Dr. Sarah Hallberg on avoiding the keto flu

November 23, 2019

– How can I avoid the
keto flu when beginning a low carb high fat lifestyle? – For most people the key
to this is just making sure that they are getting enough sodium. So when you start a ketogenic lifestyle you actually diurese,
which means you get rid of excess water. Because when you’re eating
a lot of carbohydrates, believe it or not, our
kidneys hold on to sodium. And when we decrease those carbohydrates, our kidneys will excrete excess sodium. And that can actually cause people to become sodium depleted. And so it’s important for
people to increase the sodium, especially early on, in a ketogenic diet to ensure that this does not happen. Because as you excrete too much sodium, it can cause you to feel tired, it can even give some people headaches. And so again, increasing the
sodium intake is important. Now if you’re someone with a
history of high blood pressure, this is something that you want to talk to your physician about. Of course the goal with a ketogenic diet for many people who come and
start with high blood pressure is to be able to improve
that blood pressure enough to be able to get off
blood pressure medications, and that happens very frequently. Many trials have shown this, including our large clinical trial. But again, physician supervision, and making sure that you’re
getting enough sodium intake especially early on. – And hydration, so fluids to go along
– Hydration, that’s right. – with the sodium, that balance.
– Fluid to go along.


  • Reply Ketogenicinfo April 20, 2019 at 12:47 pm

    Great video, Dr. Hallberg has been an inspiration on my Keto journey. I agree totally, salt is one of the keys, it helps with preventing cramps also. I came up with an excellent tonic that really helps with the keto flu.

  • Reply Manuel Avendaño May 6, 2019 at 3:43 am

    Should I start drinking the electrolytes from day 1 of the Keto diet? Or should I just start drinking this when the flu starts?

    Btw, love your videos, greetings from Mexico City.

  • Reply Jason Boggs June 14, 2019 at 3:21 pm

    Let me tell what the keto flu was for me:
    1. emptying of the stomach for 2 days via projectile vomiting. Painful!
    2. the worst acid reflux that no amount of omeprazol, mylanta, tums or diet 7-Up can cure. PURE misery.
    3. debilitating weakness where you have no and I mean NO energy to even get up and use the rest room. I was panting and my heart was racing getting a glass of water.
    4. NO appetite. I'm now at day 5 of the keto flu and have eaten a total of 2 small meals. Still have a little acid reflux which doesn't help.
    5. Insomnia….I was awake all friggin' night last night and up at 3:30am this morning. My fatigue levels are worse than ever.
    Another word of keto flu is "sugar withdrawals". It 's likened to what a heroin addict or alcoholic goes through.
    America really has no idea how addictive and toxic the "legal" drug SUGAR is.
    I'm not giving up though. They say once you get through this part you get:
    1. Massive spikes in energy
    2. Razor sharp mental focus
    3. Lack of food cravings
    Those 3 things in and of themselves are worth the effort.
    Please let me know if anyone else has experience these symptoms.
    Thanks !

  • Reply Joseph Pace June 18, 2019 at 8:11 pm

    I did everything you say to do and I still got horrible withdrawal, but, it went away (Yay!!!) after several weeks. It’s like going off opiates, but I was very addicted to carbs, so it made me super sick. Thank goodness I kept my electrolytes high. I’d say more mild than opiate withdrawal, but much longer withdrawal. Be ready for a lot of suffering with a Fantastic payoff.

  • Reply Ketofication July 10, 2019 at 2:01 pm


  • Reply Snatch Monkey October 19, 2019 at 10:03 pm

    The bitch on the left is high as a motherfucker

  • Reply James Parker November 11, 2019 at 10:59 am

    Just don’t be such a stupid fuck that you do keto, problem solved.

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