Intermittent Fasting
April 2, 2015 6:31 AM   Subscribe

Is this diet considered "intermittent fasting"?

My diet consists of having a light breakfast and a good lunch every day of the week. Regular food. I skip supper completely (except for water or a small piece of fruit). I tried the 5:2 diet but lack willpower on the fasting days. I go without eating for 16 hours each day. Weight loss is steady and I feel good.
posted by BillyAnne to Health & Fitness (6 answers total) 6 users marked this as a favorite
 
Sort of, sure; although the more usual sense is spending a number of days a week at an extra-low calorie count, usually either the 5:2 as you mention, or the alternate-day Varaday-style version, the idea of skipping a meal and snacks to provide a 16-hour period of fasting is described as intermittent fasting too. I'm glad it's working for you!

(Edited to add an example: leangains.com, a body-building rather than a diet site per se, is an example of somewhere that lists the 16-hour fast as intermittent fasting. I do not know if that has been researched to the same extent that alternate day modified fasting has been.)
posted by mittens at 6:38 AM on April 2, 2015 [1 favorite]


In the very strict sense - no. You are technically breaking your fast with that small piece of fruit. If you read any of the popular protocols - think Leangains, Alternate Day Fasting (5:2), Warrior Diet etc - they all differ in their definition of what a fast actually is, and how long it should last.

But the definition shouldn't matter as long as you feel good and you are controlling your caloric intake.

My protocol was simple when I was fasting. Only black coffee and water until after I work out, which was usually 7 PM. Then, I'd eat anything I'd like as long as it was healthy. I'd fast basically from dinner until dinner.

I hope this helps. Feel free to memail with any specific questions.
posted by rippersid at 6:42 AM on April 2, 2015 [1 favorite]


Technically I.F. if you have water for dinner. Not I.F. if you have fruit. Pretty simple.
posted by the webmistress at 9:08 AM on April 2, 2015


Best answer: Drop the fruit and it will be. The Fast 5 site has a free PDF with more info about this method.
posted by Johnny Wallflower at 9:15 AM on April 2, 2015 [3 favorites]


The idea behind intermittent fasting, as I understand it, is that having your caloric intake in flux is what keeps your metabolism steady. If you consistently eat a low calorie diet, eventually your metabolism will adjust downward and you will plateau with your weight loss and may have difficulty keeping the weight off when you transition to a higher calorie maintenance diet.

So while this may be working for you now (and good for you for sticking with it!) you may find that it has diminishing returns over the long run. You might try slightly increasing your caloric intake on 5 days and dropping it down on two days (even if you're not truly "fasting") may do the trick for keeping your metabolism from slowing down.
posted by ananci at 11:16 AM on April 2, 2015


Response by poster: Thanks all for the information! The Fast 5 site is just what I was looking for.
posted by BillyAnne at 4:01 AM on April 3, 2015


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