What is the keto flu?

Adapting to carbohydrate restriction can cause flu-like symptoms that many people call the “keto flu.”

In general, the potential symptoms of keto flu are:

  • Sugar cravings
  • Dizziness
  • Brain fog
  • Irritability
  • Poor focus and concentration
  • Stomach pains
  • Nausea
  • Cramping
  • Confusion
  • Muscle soreness
  • Insomnia

These flu-like symptoms are caused by the rapid changes that occur as a result of keto dieting, including excessive fluid and sodium excretion and hormonal changes throughout the body.

Fortunately, most, if not all, of these keto flu symptoms can be remedied by:

  • Drinking more water
  • Consuming plenty of sodium, potassium, and magnesium
  • Including MCTs in your diet to boost ketone production and energy levels
  • Doing low-intensity exercise (like walking) first thing in the morning
  • Making sleep and stress reduction a top priority

For most people, the keto flu will go away as soon as their body starts entering ketosis and begins the process of keto adaptation.

To gain a deeper understanding of why keto flu happens and how you can remedy it, read through our in-depth article on the topic.

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