1

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How quickly can you lose fat adaptation?

Answered on September 12, 2014
Created April 15, 2013 at 9:47 AM

Evening all,

I've had a look around (albeit briefly) and couldn't find anything specifically answering my query.

So, over the past month I've regularly consumed crap on Saturday evenings (burgers, fries, beer etc.) and I'm wondering whether these regular binge sessions will have broken/f***ed up my fat adaptation?

Other than these binges I eat strict paleo for the rest of the week (kind of a flawed statement I know). So, I'm asking the following;

a) Will I have even developed fat adaptation with regular carb binges?

b) If I have developed fat adaptation, how easily is it lost through sessions such as these?

Thanks in advance.

Ede98d8569d42885d70e07c92d3df34e

(623)

on April 16, 2013
at 06:47 AM

Didn't realise you were already doing IF. If you can work out in a fasted state without any problems I'd say that you're pretty well keto-adapted. Don't be afraid to up the protein a bit if your doing any heavy lifting.

3c216cb00d639e2ba6e60c35083e0741

on April 16, 2013
at 05:54 AM

I may well try your fasting suggestion. I'm not a very strict tracker of my macros, I generally tend to eat 'what feels right' (scientific term) and eat a lot of meat and green veggies. I'm pretty confident that I'm nowhere near >1g/lb LBM though as I'm 210lbs. I could be wrong though. No doubt this sounds ignorant but my only indicators for being in keto at the moment are having high energy levels after IF and being able to work out effectively on IF days. Not great as an indicatorm I know.

3c216cb00d639e2ba6e60c35083e0741

on April 16, 2013
at 05:50 AM

Thanks, I will certainly read up on this when I get home from work! I'm not sure I'll start making high carb weekends a thing, but it definitely makes some interesting points.

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4 Answers

best answer

2
Ede98d8569d42885d70e07c92d3df34e

(623)

on April 15, 2013
at 04:14 PM

The term fat adaptation refers to how efficient your cells' mitochondria are at utilising ketones for energy rather than glucose. Being "fat-adapted" isn't like an on/off switch, as there are different degrees to how adapted to ketosis you are.

To answer your question, this weekly carb binge would not affect your adapted state as long as you return to ketosis for the rest of the week. If you are eating high protein (>1g/lb LBM) on your strict paleo days, your body might be converting the excess protein to glucose, preventing you from entering ketosis at all.

I find a good method of testing my keto/fat-adaptation is to fast for 24 hours. A person who is an efficent ketone burner will not feel weak after a short term fast, whereas someone who is not fat-adapted at all may feel weak, dizzy, light-headed, nauseous etc.

3c216cb00d639e2ba6e60c35083e0741

on April 16, 2013
at 05:54 AM

I may well try your fasting suggestion. I'm not a very strict tracker of my macros, I generally tend to eat 'what feels right' (scientific term) and eat a lot of meat and green veggies. I'm pretty confident that I'm nowhere near >1g/lb LBM though as I'm 210lbs. I could be wrong though. No doubt this sounds ignorant but my only indicators for being in keto at the moment are having high energy levels after IF and being able to work out effectively on IF days. Not great as an indicatorm I know.

Ede98d8569d42885d70e07c92d3df34e

(623)

on April 16, 2013
at 06:47 AM

Didn't realise you were already doing IF. If you can work out in a fasted state without any problems I'd say that you're pretty well keto-adapted. Don't be afraid to up the protein a bit if your doing any heavy lifting.

2
04be30426fd2155747fe7eb27b0951b9

on April 15, 2013
at 10:58 AM

I think you'll keep fat adaptation. If you think about keto adaptation, this is quite different animal. Actualy if you're working out regulary this high carb binge once a week can be beneficial - google dipasquale anabolic diet.

3c216cb00d639e2ba6e60c35083e0741

on April 16, 2013
at 05:50 AM

Thanks, I will certainly read up on this when I get home from work! I'm not sure I'll start making high carb weekends a thing, but it definitely makes some interesting points.

0
9e9f2a144af206c41c989ce09ef47554

on April 15, 2013
at 02:01 PM

It depends oh your everyday meal

0
142d7e06e608cff536ab78e6ca78ce38

on April 15, 2013
at 11:10 AM

I am celiac so I guess it's different but I read if I have any gluten at all it can take 10 days to leave my system again. Since being strict on Paelo my insides have healed and I am feeling the best i ever have.

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