Fasting & Metabolism

aalhasan
aalhasan Posts: 104
in Health and Weight Loss
Hello,

I've seen people doing intermittent fasting, and some of them are fasting for 17-18 hours!
The question is, what happens to your metabolism if you do that everyday?
For me, it's this month of the year when muslims fast from sunrise to sunset (No food, no drinks).

Thanks.

Replies

  • Keiras_Mom
    Keiras_Mom Posts: 844 Member
    Metabolic slowdown does NOT occur that quickly.
  • psuLemon
    psuLemon Posts: 38,432 MFP Moderator
    It takes 72 hours of zero food to even have metabolic adaptation. 17-18 hours is nothing
  • aalhasan
    aalhasan Posts: 104
    Thank you!
  • BGoodz22
    BGoodz22 Posts: 55 Member
    Intermittent Fasting FTW!

    16:8 / 19:5 / 20:4 doesn't matter what your split is as long as you eat !
  • LaurenAOK
    LaurenAOK Posts: 2,475 Member
    Yes, as others have mentioned, no need to be concerned about metabolic slowdown while you're fasting for the holiday. The whole "eat every few hours to keep your metabolism running" myth is just that: a myth.

    Here's a good thread that was posted recently about fasting for Ramadan: http://www.myfitnesspal.com/topics/show/1038039-ramadan-fasting-mfp-and-you-a-guide

    Have a good Ramadan! :)
  • AJ_G
    AJ_G Posts: 4,158 Member
    What everybody else said, your metabolism is quite resilient, takes 72 hours of 0 calorie intake at a minimum for thermogenic adaptation to occur.
  • aalhasan
    aalhasan Posts: 104
    Thank you all so much :happy:

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