2

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Ketosis and Blood Sugar Levels

Answered on September 12, 2014
Created August 25, 2011 at 1:33 AM

Hi all,

Right now, I'm doing a VLC paleo diet (trying for state of ketosis), and have been testing my blood sugar levels intermittently. I was wondering what the normal blood sugar levels for one in ketosis should be, fasting and post-meal. Before I ate, my blood sugar level was pretty low, around 50 mg/dl, but after my meal it seems to have come up to 120 mg/dl. I did eat a fair amount of high sugar/starch veggies (onions, green peppers) and coconut milk so may have eaten too many carbs. Just trying to make sure I'm not inadvertently sneaking too many carbs into my meals. Thanks!

68ea10d539cf45eaeb2a669117e4ec26

(0)

on August 25, 2011
at 12:02 PM

...this is interesting, as I've noticed a similar effect. Since going low-carb, my first AM fasted levels have risen from the low 80's, up to the 95-100 range. I've also noticed that with a low-carb breakfast (700-800 cals of eggs, fish, EVCOO & 1/2cup broccoli), my >2hr post-pranadial levels get into the 120 range, and will stay there for a good 6hrs. At the 6hr mark I 'might' be back down around 100. Prior to low-carb I was always going low, even hypoglycemic post-meals. Is this normal, perhaps it's even from the EVCOO?

7c9f81d68c78de1a31eab9c91c17b4b8

on August 25, 2011
at 04:48 AM

Ahhh ha ha ha ha. Yes. so true about the breath.

3aea514b680d01bfd7573d74517946a7

(11996)

on August 25, 2011
at 04:47 AM

LOL; the breath test. Yes, I second Shari's recommendation for Ketostix. But if your question is driven in part by curiosity about BG levels and ketosis, see my answer below. I'm curious if there's any pattern noticeable among long-term VLC/ZCers.

98bf2ca7f8778c79cd3f6c962011cfdc

(24286)

on August 25, 2011
at 04:41 AM

You don't measure ketosis with a glucometer. You pee on a stick if you want to know if you're in ketosis. Or just breath into someone's face and if they run away you know you've made it to the promised land.

7c9f81d68c78de1a31eab9c91c17b4b8

on August 25, 2011
at 04:41 AM

Yes, ketostix cheaper and less painful too!

1a98a40ba8ffdc5aa28d1324d01c6c9f

(20378)

on August 25, 2011
at 04:26 AM

Ketostix would be the prefered method. After awhile you will just know...

8c7a402462e29967a40b42d4f8b5e206

(60)

on August 25, 2011
at 02:29 AM

Thanks for the reply! However, I didn't mean how much carbohydrate is normal, I meant what would a normal blood glucose level be after a "ketogenic" meal?

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5 Answers

1
3aea514b680d01bfd7573d74517946a7

(11996)

on August 25, 2011
at 04:44 AM

I haven't checked my post-meal BG, but my fasting BG is 90 as of the last draw I had done in June. I've been in more or less constant ketosis since April 2007.

Other long-term VLCers/ZCers have reported fasting BGs of around 100 -- it's been noted on some other forums that these levels seem high for people who aren't eating any carbs, so perhaps it's evidence of a higher rate of gluconeogenesis. Or it could be evidence of nothing, lol -- it's a pretty small data set.

68ea10d539cf45eaeb2a669117e4ec26

(0)

on August 25, 2011
at 12:02 PM

...this is interesting, as I've noticed a similar effect. Since going low-carb, my first AM fasted levels have risen from the low 80's, up to the 95-100 range. I've also noticed that with a low-carb breakfast (700-800 cals of eggs, fish, EVCOO & 1/2cup broccoli), my >2hr post-pranadial levels get into the 120 range, and will stay there for a good 6hrs. At the 6hr mark I 'might' be back down around 100. Prior to low-carb I was always going low, even hypoglycemic post-meals. Is this normal, perhaps it's even from the EVCOO?

0
66974b2cb291799dcd661b7dec99a9e2

(11121)

on August 25, 2011
at 04:57 AM

I have been LC-VLC for a few years and was a T2 diabetic. My fasting blood glucose readings are usually 85-90, I only check sporadically now. If I do eat a lot of carbs at 2 hours post meal I am usually back to normal range.

0
7c9f81d68c78de1a31eab9c91c17b4b8

on August 25, 2011
at 03:39 AM

You need to test your fasting state first and then you will know your baseline for comparison in a fed state. It will be different for everyone and high fasting state blood glucose could illuminate other problems.

0
1a98a40ba8ffdc5aa28d1324d01c6c9f

(20378)

on August 25, 2011
at 02:08 AM

You want to shoot for 50 grams or less of carbs per/day. Your level may be diffrent but you will know when you taste the ketosis it in your moouth.

8c7a402462e29967a40b42d4f8b5e206

(60)

on August 25, 2011
at 02:29 AM

Thanks for the reply! However, I didn't mean how much carbohydrate is normal, I meant what would a normal blood glucose level be after a "ketogenic" meal?

7c9f81d68c78de1a31eab9c91c17b4b8

on August 25, 2011
at 04:41 AM

Yes, ketostix cheaper and less painful too!

1a98a40ba8ffdc5aa28d1324d01c6c9f

(20378)

on August 25, 2011
at 04:26 AM

Ketostix would be the prefered method. After awhile you will just know...

-1
B14dc4aa1ddefbec3bc09550428ee493

on August 25, 2011
at 04:07 AM

Try tracking yourself with Fitday for awhile until you have a really good feel for your carbs. I've found it very helpful. I keep my carbs under 100 g per day - usually averages around 70-80 - and still have enough appetite suppression from ketosis to lose weight. Just wanted to add that if you are worried about weight loss. You don't necessarily have to VLC to lose weight. Some do, but many don't. It will probably be faster if you are deep in ketosis though, but a lot easier to maintain IMO if you allow yourself a few more carbs.

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