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Oct 2022
4:04pm, 16 Oct 2022
4,244 posts
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Dillthedog
Intermittent fasting seems to be the big new thing in the diet world. Lots of compelling YouTube videos and podcasts about it. But I’d there anything in it, or is it just quackery? I have decided to give it a whirl, 16 hours fasting and 8 hours feasting. Is anyone else a faster, if so, how do you find it, and does it help your running? I usually have brekkie before running but didn’t this morning, and survived without bonking. Any advice for a newbie faster?
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Oct 2022
4:14pm, 16 Oct 2022
60,321 posts
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Velociraptor
Intermittent fasting has been around for so long that it's been renamed "time restricted eating". Like all dietary manipulations, it works by total calorie restriction and doesn't have any unique physiological benefits. 16:8 has the merit of only being a slight pain in the neck socially.
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Oct 2022
4:25pm, 16 Oct 2022
57,095 posts
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Derby Tup
8:16 sounds better to me 
There are I believe various religions / cultures that include fasting in their lifestyles for ‘spiritual’ reasons. I think that is far more of interest for me than for ‘calorie restriction’
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Oct 2022
4:44pm, 16 Oct 2022
4,245 posts
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Dillthedog
V’rap, as a doc would you say the claims about fasting aren’t correct? Am thinking the increase in fat burning, and change in gut bugs that happen when you don’t continually eat? As a non medical person they seem very plausible, but then there are a lot of snake oil salesmen out there
And DT 8:16 is much closer to my usual eating pattern!
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Oct 2022
4:57pm, 16 Oct 2022
60,322 posts
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Velociraptor
'Fraid so, Dill. The extravagant claims that put forward for specific metabolic benefits for time restricted eating have been largely debunked. However, time restricted eating is likely to be preferable to the fad that preceded it, "grazing", which was also claimed to have health benefits in comparison with eating proper meals and not eating between meals.
16:8 is effectively just skipping breakfast, or having your tea early then not spending the evening scarfing Pringles and chocolate digestives.
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Oct 2022
5:28pm, 16 Oct 2022
34,904 posts
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Ocelot Spleens
I have lost count of the number of people I have had chats with who do/did whatever version of 5:2, that I sat there and said all you are doing is a version of calorie control. I thought the real big benefits were days of 0 calories if I remembered Dr Moseley's original programme correctly.
The other thing I saw/see a lot of is said people doing this for a few months, saying they have changed their lifestyle and once they hit a certain point, stop 'fasting' and end up back where they were some months later...
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Oct 2022
5:37pm, 16 Oct 2022
9,523 posts
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Keefy Beefy
I would lose huge amounts by simply not eating or drinking after dinner. That's about 50% of my calories for the day - and all of it shite.
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Oct 2022
5:42pm, 16 Oct 2022
13,575 posts
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jda
I don’t disagree that it’s probably just calorie control but it did suit me to be able to really enjoy my food most of the time and just have a day or two or extreme restriction. Rather than trying to be careful all of the time.
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Oct 2022
5:43pm, 16 Oct 2022
13,576 posts
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jda
(That was 5:2 for me, not a daily 16:8 which just seems awkward)
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Oct 2022
5:46pm, 16 Oct 2022
20,435 posts
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Sharkie
Depending on the way you and your day function skipping breakfast works for some people in helping them not eat more than they need. Not that there's any magic about it as V-rap makes clear.
(And not me - I like three meals a day and my breakfasts are kind of huge. )
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