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IF beneficial regardless of calories?

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  • IF beneficial regardless of calories?

    so is it beneficial to do intermittent fasting even if you eat the same average amount of calories per day as you would have if you had spread out your meals?

    for example, if i would have had this caloric breakdown:
    B: 300
    L: 400
    S: 200
    D: 700
    TOTAL: 1600
    and because i fasted (18 hrs from supper the night before), i fast til lunchtime and have this:
    B: 0
    L: 700
    S: 200
    D: 700
    TOTAL: 1600

    so is there still a benefit to the fasting when it comes to fat-loss? or is fasting really just a way to cut calories?
    Last edited by PrimaLauren; 02-09-2011, 04:58 PM.
    ~ i've tried every diet there is, but have always felt best when i did my own version of low-carb, one that turns out to be very much like PB. no one i know eats like this so i'm very happy to have found this site and some like-minded folks.
    ~ i'm 5'6'' and my (re)start weight, as of february 1, 2011, was 149 lbs (size 6/8)
    ~ february 14th, i'm 145 and already feeling more comfortable in my clothes and skin!

  • #2
    Yes. You get the same amount of calories as you would during a normal day, but you eat all your calories within a much smaller time frame.

    IF is for cutting fat.....and lots of other health benefits......not for cutting calories.

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    • #3
      if you really wanted to you could get all your calories in one meal and fast for the rest of the day

      but yeah, it should be the same amount of nutrition.
      I didn't like the rules you gave me, so I made some of my own.

      Strong people are harder to kill than weak people, and more useful in general. - Mark Rippetoe

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      • #4
        i think the benefit has to do with nutrient partioning during the fasted state vs the fed state
        Get on my Level
        http://malpaz.wordpress.com/

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        • #5
          That is so interesting. I always thought it was a way to cut calories, to eat less. But now that I analyze it: When I hold off on Breakfast and eat at 2pm, I am hungry, I have fasted about 18 hours and I eat the same: 3 eggs, 1 beef stick. Then, I eat a large dinner and have another snack after dinner to stop eating around 8ish, which is not a strict fast 5, more like a fast 6. This is all new to me. I've done it off and on for a month or so, playing around with longer fasts some weeks. And sometimes I do nibble while I'm preparing dinner (not saving any calories there either).
          I haven't lost any weight doing any of this .

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          • #6
            what are you typically eating for dinner...and after dinner snack?

            Comment


            • #7
              Unless you're also measuring the calories out of your feces, stop counting calories. If you're going to count anything, count macronutrient intake. Keep track using this software by the Health Correlator. At least then you can make some association between the nutrient content of your diet and your weight.

              Two, fasting isn't about calorie reduction, per se. It's about hormonal balance. Your eating strategy should be about hormonal balance, not energy balance. Energy will always be balanced. One doesn't need to count to confirm it. Counting calories is obsessive compulsive and superstitious.

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              • #8
                Originally posted by js290 View Post
                Unless you're also measuring the calories out of your feces, stop counting calories.
                hahah. i love that.
                yes, it is obsessive and superstitious. i mostly keep track of what i eat in order to keep macronutrient amounts in check. i got the primal blueprint expensive 30-day package thing, and in the first section it gave me all this very specific advice about how many calories and fat grams and carb grams and protein grams to take in per day if i want to lose 4-5 lbs a month. i was disappointed because being obsessive about counting and measuring my food is not what i want to be doing, and i had been hoping that going primal was going to be a way not to have to do that. so when i got the package and the first thing i saw was "track your calories and grams", the wind got knocked out of my sails a bit.
                on the other hand, it has been working, and i would really like to feel comfortable in my swimsuit when we go on holiday at the end of the month!

                UndergroundNutritionist: i usually have two small suppers: one with my daughter around 6:30, and one in the later evening. you could call that "dinner" and "snack" i guess, but the "snack" is usually the same size as the "dinner"... i usually have something like (local, free range) pork sausage and some broccoli first, and then a small curry with chicken/fish and veg and lots of butter and coconut milk. why do you ask?
                ~ i've tried every diet there is, but have always felt best when i did my own version of low-carb, one that turns out to be very much like PB. no one i know eats like this so i'm very happy to have found this site and some like-minded folks.
                ~ i'm 5'6'' and my (re)start weight, as of february 1, 2011, was 149 lbs (size 6/8)
                ~ february 14th, i'm 145 and already feeling more comfortable in my clothes and skin!

                Comment


                • #9
                  One of the main benefits is improving insulin sensitivity and repairing 'broken' metabolisms in that way, I believe.

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                  • #10
                    IFing also has been shown to lower triglyceride and VLDL levels.

                    You may also find this page of interest.
                    The Primal Journey of Mr and Mrs Fist
                    Blog
                    sigpic

                    Comment


                    • #11
                      There are multiple studies indicating the alternate day fasting, controlling for the same amount of calories has a lot of metabolic advantages. In other words, eating twice as much on eating days, and then fasting on alternating days is different than eating the same amount of calories, but spread out equally all days. If I understand the literature, the immediate post-prandial phase (a window of about 5 hours after eating) is when there are metabolic processes that are not good and the most inflammatory are going on, so having a window when you are fasted beyond this is healthy. There are also cellular repair (autophagy) mechanisms going on. Many people here follow the leangains protocol of an eating window (which is basically what I try to do, 17 hours fasted, 7 hour window to eat) where Martin discusses some of these benefits.

                      I have actually not lost any weight in terms of pounds since going primal several months ago; however, my ability to not eat for blocks of time (control of hypoglycemia and blood sugar) and lost inches seem to indicate that a primal diet and IF have merit beyond weight loss.

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                      • #12
                        The main benefit of IF is fixing the metabolism. Once that's fixed, the pounds will come off anyway. So it is a weight loss tool, sort of, but not really.

                        Gordo

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                        • #13
                          Not really a weight loss tool? That's sort of a bummer. I've been IFing all week to lose a couple pounds (that I had originally put back on, deliberately, via heavy cheese consumption, after getting too skinny....but its a few more than I wanted).

                          Anyway, I've been counting calories, too (not something I've EVER done on primal) but I thought it might help. I'm a big eater, calorie-wise, so I'm not one of those people who eats less just because there are fewer hours to do it in. I got skinnier on billions of sausages before (was slim to begin with when going primal), so maybe keeping an eye on those numbers will help even more? I don't know... I hope it doesn't hurt.

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                          • #14
                            For me, IF has been a weight loss tool. It allows me to eat less without feeling deprived. I eat a huge lunch around 1pm, a huge dinner around 6pm, and usually my blueberry smoothie in between those or just after dinner. I believe it's because I am typically eating fewer calories than I was when I ate breakfast lunch and dinner. However, I am experimenting a bit by eating more to see what changes.

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                            • #15
                              I see IF as a way to decrease your calories without doing calorie restriction. Fasting and caloric restruction beneficial for anti-ageing. Rather than calorically restrict breakfast, lunch and dinner I find it easier to restrict calories when fasting by missing a few meals. With IF I don't feel hungry but with calorically restricting all meals I do.

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