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With intermittent fasting which time window is more important?

Posted on 8/23/19 at 10:18 am
Posted by WG_Dawg
Member since Jun 2004
90238 posts
Posted on 8/23/19 at 10:18 am
I've recently started doing IF and am really liking it so far. My question is, which time window is more important, using an 8:16 example:

1) Fasting 16 hours in a 24 hour day (midnight to midnight)

or

2) Going 16 hours since the last meal

For example, let's say I ate from 12pm-8pm on Monday and 10am-6pm on Tuesday. I'd be fasting for 16 hours each day, but it would have only been 14 hours between the meals. I know this is probably splitting hairs but was just wondering if there was a "correct" time window. Thanks!
Posted by PennyPacker
Where things are bigger and better
Member since Jan 2010
1070 posts
Posted on 8/23/19 at 10:21 am to
16 hr since last meal. I eat between roughly between 11:30am and 7:30pm. My fast always last 16 but sometimes stretch it to 17 or 18 hr.
Posted by DeafJam73
Baton Rouge
Member since Sep 2010
19122 posts
Posted on 8/23/19 at 10:22 am to
I prefer to get my calories in as late as possible. I hate being hungry when I want to sleep. It’s an individualistic thing. As long as you eat enough calories, enough protein and properly fuel yourself for exercises, do what is best for you.
Posted by WG_Dawg
Member since Jun 2004
90238 posts
Posted on 8/23/19 at 10:24 am to
quote:

16 hr since last meal


gotcha thanks. I typically eat between about 10:30-6:30, on weekends I'll go until about noon before eating since I can usually sleep a little later. Was just curious because sometimes my window will adjust later and didn't know if I would still be ok the next day or if I needed to push that back as well to make up for it.
Posted by bayou85
Concordia
Member since Sep 2016
11086 posts
Posted on 8/23/19 at 1:00 pm to
quote:

Going 16 hours since the last meal


Yes. Do what works for your schedule. If it isn't working, change it up.

Make sure you're in a caloric deficit tho is fat loss is the goal.
Posted by lsu777
Lake Charles
Member since Jan 2004
37964 posts
Posted on 8/23/19 at 1:01 pm to
It's up to you but in general you want to eat at the same time every day. Allows the body to develop that as the normal and gets rid of many cravings.
Posted by Ssubba
Member since Oct 2014
7451 posts
Posted on 8/23/19 at 2:53 pm to
My game plan for IF has been to just skip breakfast and don't sweat the time frame. I usually hit 17-18 hours fasted, but if I do a early lunch and only clock in at 15, no big deal.

Skipping breakfast has been one of the most liberating things I've ever done. It was tough at first being a huge cereal fan, but I've gotten over it.
This post was edited on 8/23/19 at 2:55 pm
Posted by StringedInstruments
Member since Oct 2013
20867 posts
Posted on 8/23/19 at 8:17 pm to
Yeah I love skipping breakfast. I’m also taking only cold showers.

That saves about 20 minutes in the morning. It’s great and I feel better too!
Posted by Swagga
504
Member since Dec 2009
19211 posts
Posted on 8/25/19 at 2:55 pm to
I skip breakfast, do some incline walking on the treadmill, and take a cold shower.



Truth be told, I don’t know if the cold shower is needed but I told myself it makes you tougher
Posted by FootballNostradamus
Member since Nov 2009
20509 posts
Posted on 8/25/19 at 3:08 pm to
I'm a sucker for just about every new diet / fitness thing on the planet. I do IF and absolutely love it.

But you psychos and your cold showers can GTFO. That's an extra level of crazy I will never do lol.
Posted by ALTiger
Alabama
Member since Nov 2009
3151 posts
Posted on 8/25/19 at 3:14 pm to
The further from bedtime you eat the better and also, coffee (regular or decaf) does in fact break a fast just FYI. It was a mistake I made for a long time. Blood work will prove that coffee in the morning raises your fasted LDL cholesterol numbers.
Posted by The Funnie Five
Bluffington
Member since Feb 2019
3404 posts
Posted on 8/25/19 at 6:23 pm to
Intermittent Fasting is a gimmick
Posted by NotoriousFSU
Atlanta, GA
Member since Oct 2008
12430 posts
Posted on 8/25/19 at 7:13 pm to
If it works for some people then who the hell cares?
Posted by tommy2tone1999
St. George, LA
Member since Sep 2008
7783 posts
Posted on 8/28/19 at 10:09 pm to
Best to stop eating before 3:00 PM
This post was edited on 8/28/19 at 10:15 pm
Posted by BigOwl
Houston
Member since Nov 2017
111 posts
Posted on 8/29/19 at 6:25 am to
I say start w the 8 hour window that is convenient. Then try and close the window to 3 hours once you hit a plateau. I am also a big fan of the cold showers and ice baths.
Posted by BigOwl
Houston
Member since Nov 2017
111 posts
Posted on 8/29/19 at 6:26 am to
Every book I read says coffee is fine. How do you come up w that?
Posted by PennyPacker
Where things are bigger and better
Member since Jan 2010
1070 posts
Posted on 8/29/19 at 7:09 am to
quote:

Every book I read says coffee is fine. How do you come up w that?


Most say coffee is fine. I have read in a couple articles that coffee can negatively affect the "longevity" benefits of fasting.... Personally, my blood work looked substantially better during IF vs. non-IF and I drink black coffee during my fasting hours everyday. I didn't drink it the morning of my bloodwork, but I do the rest of the time. This might be one of those instances that it depends on the individual. ??
Posted by DeafJam73
Baton Rouge
Member since Sep 2010
19122 posts
Posted on 8/29/19 at 7:16 am to
quote:

coffee (regular or decaf) does in fact break a fast just FYI. It was a mistake I made for a long time. Blood work will prove that coffee in the morning raises your fasted LDL cholesterol numbers.


I’ve heard the exact opposite. Either way, it doesn’t matter in my case. I use IF as a way to control calorie intake. All the added the benefits are lagniappe.
Posted by HandGrenade
Member since Oct 2010
11234 posts
Posted on 8/29/19 at 7:23 am to
Technically, drinking coffee breaks a fast because the body has to digest it. The only thing the body doesn't need to digest before absorbing is water. But if all you're having is a cup or two of coffee while fasting, I don't think that's enough to mess you up as people have still had good results.
Posted by TigerChief10
Member since Dec 2012
10858 posts
Posted on 8/29/19 at 11:55 am to
quote:

I prefer to get my calories in as late as possible. I hate being hungry when I want to sleep. It’s an individualistic thing

Same here. I take some massive morning shits because of it.
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