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When did your body reach ketosis eating Paleo?

Answered on August 19, 2014
Created November 18, 2011 at 8:51 PM

I've been eating Paleo + raw milk and cheese (not much though) for a little over a week and my mother mentioned something about ketosis? What was your experience with it, what is it exactly, and when did it hit? She said it hit her and my step dad around the two week part (they've been paleo for over a year now and they look amazing!). I'm patient, just curious.

:)

543a65b3004bf5a51974fbdd60d666bb

(4493)

on November 20, 2011
at 05:59 AM

Dr Ron Rosedale says "It takes about three weeks for your metabolism to retool so that you switch from being a sugar-burner to a fat-burner. quote from http://drrosedale.com/healthplan.htm under the 'Rosedale's Rules' heading

543a65b3004bf5a51974fbdd60d666bb

(4493)

on November 19, 2011
at 11:28 PM

another similar paleohacks question here http://paleohacks.com/questions/55612/yet-another-ketosis-question/55635#55635 thx for the link Rose

3aea514b680d01bfd7573d74517946a7

(11996)

on November 19, 2011
at 03:22 PM

Yep, most people go into ketosis while they sleep. Switching into longer-term ketosis, or "keto-adapting," is usually what Paleos and LCers mean by "being in ketosis." See also this reply: http://paleohacks.com/questions/55612/yet-another-ketosis-question/55635#55635

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7 Answers

4
543a65b3004bf5a51974fbdd60d666bb

(4493)

on November 19, 2011
at 10:36 AM

As your mother describes weeks (rather than hours or days), she is probably referring to keto-adaption rather than ketosis. Other terms & phrases commonly used for keto-adaption; keto-adapted, fat-burner-adapted, become a fat-burner, adapted to burning fat, etc

This is how Kurt Harris MD describes keto-adapted; "I define keto-adapted as being conditioned enough to ketosis that you can easily fast without getting light headed or hypoglycemic. I think VLC (50g) or ZC (5-10 g) folks are all ketoadapted. LC (100g/day carbs) not as much. Even if not in ketosis all the time, KA folks can slip in and out of it easily and their metabolism has all the machinery for ketosis and GNG constructed. Caution: metabolic speculation informed by experience." http://www.archevore.com/panu-weblog/2009/8/27/how-to-lose-weight.html

& this is how Kurt Harris MD describes ketosis; " I define Ketosis in the usual paleosphere way. Eating a low enough digestible carbohydrate intake to induce serum levels of ketones much higher than those eating a carbohydrate replete diet. This will usually be a carbohydrate intake below the amount that would be necessary to run your brain on nothing but glucose, but still higher than the basal glucose requirement of the brain once keto-adapted, where the brain is running as much as half on ketones. We usually use ketones in the urine (ketonuria) as evidence of ketosis, but this is not 100% reliable, as the rate they are burned influences how many are spilled into the urine. The carbohydrate amount necessary to keep out of significant ketosis varies, but Kwasniewski uses 10% of kcal, and Lutz uses 70 g/day which is roughly the same if you are 2800 kcal/day but more if you eat less. Bernstein uses 30g/day for his diabetes diet, but this is meant to ensure micronutrient intake from non-starchy veggies and will not keep you out of ketosis." http://www.archevore.com/panu-weblog/2011/2/7/thoughts-on-ketosis-ii.html

Personally it took me 30 days when i was doing apprx 50g max carbs per day to "become a fat burner" (become keto-adapted).
Nowadays i prefer to stay out of ketosis. my carb intake now moves in the 70g to 150g range per day.

EDIT: according to Dr Ron Rosedale: "It takes about three weeks for your metabolism to retool so that you switch from being a sugar-burner to a fat-burner". quote from http://drrosedale.com/healthplan.htm under the 'Rosedale's Rules' heading

3aea514b680d01bfd7573d74517946a7

(11996)

on November 19, 2011
at 03:22 PM

Yep, most people go into ketosis while they sleep. Switching into longer-term ketosis, or "keto-adapting," is usually what Paleos and LCers mean by "being in ketosis." See also this reply: http://paleohacks.com/questions/55612/yet-another-ketosis-question/55635#55635

543a65b3004bf5a51974fbdd60d666bb

(4493)

on November 20, 2011
at 05:59 AM

Dr Ron Rosedale says "It takes about three weeks for your metabolism to retool so that you switch from being a sugar-burner to a fat-burner. quote from http://drrosedale.com/healthplan.htm under the 'Rosedale's Rules' heading

3
B4e1fa6a8cf43d2b69d97a99dfca262c

(10255)

on November 18, 2011
at 10:44 PM

i have to be consuming less than 20g of carbs per day and it takes 3-4 days.

2
286a4ff7c362241c5c4b020df4972212

on November 18, 2011
at 10:19 PM

3 days - I found for me it was harder to get into it than stay in it - 3 days of eating just meat and some green veg - no dairy at all does it for me - Once in I can tolerate a small amount of dairy

2
72b2f2489468df2c0ed624e40b33cbdb

on November 18, 2011
at 10:11 PM

I think if you're eating low-carb, like <50 grams of carbs a day, you're body will use up its glycogen stores in a matter of days and be forced to produce ketones for the organs that can't use fat for fuel, i.e. your brain.

So you've probably been in ketosis since the first half-week or less depending on your energy expenditure. I don't think you'd really notice it though. I didn't feel different. Although the process of adapting to burning fat instead of carbs is associated with fatigue in a lot of people. In practice these two processes are essentially the same.

1
E6fb1d6762263b076d335f044bc8013f

on March 30, 2012
at 06:27 AM

It has taken me over a month to become keto adapted. Almost 2 months, actually. That's because I kept slipping up and binging on carbs every few days. Even with this happening it got easier and easier each time getting back in to ketosis in order to reach my goal of becoming keto adapted. I actually got in to ketosis within the first 2 days though. It was HELL. I had low carb flu for the first few weeks (why I kept falling off track). But now I'm in ketosis AND keto adapted and I feel amazing!!!! Energy, sleeping less, happier moods, feeling strong, less obsession with food and a shrinking body!

1
1a98a40ba8ffdc5aa28d1324d01c6c9f

(20378)

on November 19, 2011
at 06:30 AM

In general you would need to be below 50 grams of carbs per day to get to ketosis. This number is different for every person. It would be VLC Paleo. Very Low Carb.

0
F093ec7a24bbca32a8c018c26d306233

on November 19, 2011
at 07:25 AM

It takes a lot for me to get into ketosis, very low carb and several days. The only way to really know is to use keto sticks to test your urine. That will not only tell you if you are in or not, but how much.

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