Don’t push yourself
Stick with light exercise like walking—or take a break if you’re really pooped. “It may be best to take it easy and give your body time to adjust,” Hultin says.
Stick to your guns
Your symptoms will clear up as your body gets used to burning fat as fuel—so don’t confuse it by splurging on a bowl of pasta. “If you aren’t vigilant about sticking with your keto diet, you’ll never fully transition,” Mancinelli says.
The bottom line: The keto flu is temporary and common among keto diet newbies. Consulting with a nutritionist before starting the keto diet may help ward off uncomfortable symptoms. If you already have keto flu, listen to your body, take it easy, and make sure you stay adequately hydrated to ease the symptoms.