What’s the Best Time to Test Blood Ketones? (And How Often)

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Blood ketone strips are EXPENSIVE - we don’t want to be wasting them by testing at times of day which will give you misleading readings.
Watch this video if you want to know:
1. When you should be testing
2. When you shouldn’t be testing
3. How often you need to be testing in order to get an accurate picture of your ketone levels.
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Links To Resources Mentioned:
Ketosis: What is the ideal blood ketone level for weight loss?
• Ketosis: What is the i...
9 Signs You Are In Ketosis (How To Tell If You're In Ketosis)
• 9 Signs You Are In Ket...
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IMPORTANT: The content in this video is not intended as a substitute for the medical advice of a primary physician. Please regularly consult with your physician in matters relating to your health, particularly with respect to any symptoms that may require diagnosis or immediate medical attention. Due to the variance of individuals’ lifestyles and bodies, the methods elaborated on in this video are not guaranteed to produce your desired result; therefore, the author does not assume any liability to any party for any loss, damage, or disruption caused by the choice to implement any of the following health strategies.

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13 июл 2024

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Комментарии : 373

@dover962 5 лет назад

Haha, data geek here! Although I do love data, I wish I could have seen your VERY clear & practical advice when I first began my therapeutic ketosis experiment. After testing at different times of the day,, I can confirm your recommendations. I settled on your exact suggestions (2 tests each day and the times he said)

@DrDanMaggs 5 лет назад

Dover Thank you! Really appreciate you taking the time to comment. It can be a bit lonely starting out a RU-vid channel but it is really encouraging to know that someone is watching and enjoying the videos!

@dover962 5 лет назад

Please keep at it! You definitely fill a void among the many many videos about the low carb / Keto diet.

@DrDanMaggs 5 лет назад

Dover Thank you! Really appreciate your kind words! 😀😀😀

@DianneElizabeth64 Год назад

I just discovered your channel & really appreciate your subject matter. In 2014, I lost 20 lbs in 30 days because I was focusing on eliminating all inflammation to help me get back to walking from a botched foot surgery. I didn’t know about intermittent fasting or keto back then but apparently learned it naturally as the weight dropped off from eating lots of raw vegetables and all meat was grass fed or organic & fasting from dinner till coffee the next day. Lots of water. 9 years later, my body is now post menopausal and doesn’t bounce back so 10 lbs or even 5 feels like losing 50 so here I sit. Watching you ❤

@phantomrose1999 3 года назад

answers start at 5.47 !!

@stephanienewton6618 Год назад

Thank you! I legit fell asleep waiting for the answers on this video last night 😂 rewatching now lol

@HuyNguyen-ro5wg 11 месяцев назад

Thank you thank you

@lightzz1 9 месяцев назад

Thanks ! 😊

@SBha30 9 месяцев назад

Thank you!! I thought I accomplished clicked on a comedy vlogger.😂

@SpyderRTL 7 месяцев назад

Thank you. Not sure why tubers all seem to ramble on and on before they get to the subject

@TheOmegaX7 3 года назад

5:45 if you want to skip directly to the best time to test

@eem860 3 года назад

So 545 pm??

@MrsSaenz16 2 года назад

God bless you.

@LAAM619 2 года назад

ty! once he started blabbing i scrolled to find this comment lol.

@billypoppins9138 4 года назад

Test 1.5 hrs after waking..Tast before eating Eat certain meals and test to gauge. Don't test after a work out..

@Ladco77 3 года назад

Thank you. An 8 minute video to make a 30 second point.

@fourftr 4 года назад

Wow a Dr that actually reply. I’m impressed

@ShawnaRN 4 года назад

Definitely a data geek!! This is exactly the info I was looking for, thank you!!

@rlshultz5841 4 года назад

I am a avid cyclist on keto for 4 months. Today I measured before a 50 mile 3 hour ride =92/.7 and then a few hours after = 65 / 1.5. Seems a very positive result.

@ArdelleVision 5 лет назад

I never knew any of this information on the importance of when to test for ketones. Amazing video!

@Eyelikewatchinvideos 4 года назад

So, I've been doing this right. I fast daily and I test after my 21-23 hour fast which is usually between 5pm-7pm. Great information!

@DeepakKumar-cd8ny 2 года назад

Thankyou Dan, I have been burning through my strips, testing several times a day and when my results were bad I would test even more often so that I could see the numbers get better. Now I will only test once a day before my meal.

@restaurantshortcut8780 5 лет назад

This was very detailed and let me tell you, it's very valuable to know what to test, when to test and how to test. I also appreciate you sharing your schedule with testing your blood ketones. Thanks!

@DrDanMaggs 5 лет назад

+Restaurant Shortcut Thank you! Appreciate your comment :-)

@perkinsdearborn4693 4 года назад

Thank you for the information. I tested my ketone level each morning roughly 2 hours after waking up. However, I tested daily during my first 60 days. Test strips being expensive, I used my testing together with my journal to correlate how I felt, what I ate and what physical activity I did in relation to my ketone level. My goal was to learn how it felt to be really in ketosis. And I did loose weight. Now, I do not test very often. Mostly, I test to check if my gut or intuition is correct. I will make a guess at my ketone level, then test to see how close I am. I do this a few times a week or less.

@its_just_kagiso7546 3 года назад

Geek! 🙋🏾‍♀️ I have LITERALLY been testing at all the wrong times and I just couldn’t understand why I’m not tracing at all. Thank you so much for the info doc!

@GingerB-RedBeans 4 года назад

Definitely a data geek! I love seeing how my body responds to all sorts of food and stimuli! I'm horribly afraid of needles (yes even such a tiny thing that's not REALLY a needle) but I still check it pretty often.

@rickf4401 2 года назад

Geek!! I am not a diabetic but I have been blood testing glucose and ketones for years and I have been wearing a CGM for the last 5 months. I’m always looking for relationships between the data sets and I have often been confused and frustrated. This video is so helpful. Thank you!

@talk4633 3 года назад

I'm a DATA geek and I'm so glad I found this video that can provide an explanation for the keto test results.

@Army1SGRetired 2 года назад

I found my results trended exactly as you noted, with an obvious impact from Dawn Effect, post workout, and post meal. Thanks for reinforcing how these can impact levels and that "testing often" isn't necessarily better.

@smallandbigfavours Год назад

Thanks for very informative clip! Keep up the good work! It helps a lot!

@KetoCookbooksCorner 11 месяцев назад

*Thanks for sharing this valuable information!*

@amierikke6225 4 года назад

Geek! I’m learning lots from your videos!

@mhenry326 4 года назад

I agree!

@tadmoore4493 3 года назад

Thank you sir for your help on when and how often to check my BK. I've been using the keto urine strips but recently bought the MOJO meter. Very helpful info and thanks again. God bless and happy new year.

@leeseflaherty6994 11 месяцев назад

Data geek here. I like to track as to understand my body and what my body wants and needs. I thought I was noticing that my ketones looked better if I tested later, but most docs say to test when testing am glucose for the most accurate information. However, your point about pre-dawn makes perfect sense. I really enjoyed this, thanks so much. Keep ‘em coming. 😀

@livinginashevillenc 5 лет назад

Wow, I've never even hear of this. Thanks for great info!

@davi3887 Месяц назад

Awesome, ty so much for all the info!

@CandaceElizabeth 3 года назад

Geek! I’m so glad I found your channel.

@Prestonandshannon 4 года назад

Geek here. So incredibly helpful. Thank you so much. I just got my keto monitor and just wasn’t sure what was best. Thank you again this was extremely clear and easy to understand ❤️

@DrDanMaggs 4 года назад

Glad it was helpful!

@mhenry326 4 года назад

Very, very, very useful information!!!

@suewarnes9469 4 года назад

Thank you Dr. Subscribed.

@PregnancyandPostpartumTV 5 лет назад

Amazing video! Really clear and helpful :) yes... data geek here as well 🙌 They are $1 a piece here in Canada. Subbed and hit the bell. Looking forward to more of your content!

@DrDanMaggs 5 лет назад

$1 a piece adds up pretty fast! Thanks for taking the time to comment and I hope you enjoy my future videos :)

@szabozsombor3785 5 лет назад

Yo dawwwg, fellow geek here. Your content is very good, I'm rooting for your channel to grow!

@DrDanMaggs 5 лет назад

Thanks Szabo! Really appreciate your comment & thanks for subscribing! :)

@j.taylor3670 Год назад

Miss your talks. Hope all is well. Thanks for all the great info!

@windycityrebel 3 года назад

Excellent video thank you for the info appreciate it

@ChessaKali 5 лет назад

Great information! I want to start keto so this was helpful!

@tony_issac Год назад

Thank you Dr Dan, really helpful.

@BWoodPhotography 5 лет назад

Very informative and easy to understand.

@Greekgirl36 4 года назад

I just bought a blood ketone meter and this video was so helpful! I didn’t know if you were supposed to check ketones like you check blood glucose levels, when, how often, etc... As an RN I’ve only ever checked people’s blood glucose levels. Ketone levels and the normal ranges are a whole new thing for me. Love your channel. So glad I found it!! Thank you for all your valuable knowledge on the ketogenic diet!!!

@DrDanMaggs 4 года назад

Thanks for watching! Glad you found this helpful!

@nancygaston4095 2 года назад

I'm an RN too and learning heaps from Doc Maggs videos.I will see if he has a video on when to best test since I graze,oh dear -( I'm retired)🤭🤫😄

@leadimentoobrien1221 6 месяцев назад

Thank u 4 ur kowledge@DrDanMaggs

@sharongowdridge5139 3 года назад

Hi l just bought a Blood ketones monitoring system and wasn't sure when best to do the test so your video was excellent. Thank you

@amyk6028 2 года назад

Definite GEEK. I’m a RN so love seeing the data

@DLX_Pilot 4 года назад

GEEK! Thanks for the great info!!

@verabendall2845 4 года назад

Great information! Thanks!👍🏻👍🏻👍🏻

@DrDanMaggs 4 года назад

Thank you Vera

@joec1212 Год назад

Good stuff!

@mfenderson2714 2 года назад

Data geek here also! Thank you for the video. I was struggling to find an answer to this question.

@InspiredArtDolls 5 лет назад

Great video! Good tips, I learned more about the keto diet. :)

@DrDanMaggs 5 лет назад

+InspiredArtDolls thank you :-)

@VickyJacksonTribute 5 лет назад

Brilliant again!! Thank you!

@DrDanMaggs 5 лет назад

Vicky Jackson Why Thank YOU my darling xxx

@swiftsiamese854 2 года назад

Definite geek. I discovered the effects you discussed here by frequent testing, at the times you mentioned.

@pameliagougis6387 3 года назад

Great information

@painchronicles 9 месяцев назад

Totally agree with this. Right before my first time eating always the best.

@johnnyhorton5803 18 дней назад

Great info

@timothyskover3431 4 года назад

Dr Dan This was really helpful. I will now test just before lunch and before dinner. Been stumped by the dawn effect as I would test just at get up and was extraordinarily hi ( sometimes 120) what?? but the later measurement is between 86 and 100 so it does drop. You've got incredible insight to this process especially looking at used ketones that cannot be measured. All the best keep doging those carbs

@nancygaston4095 2 года назад

I had that dawn reading happen when I tested my BLOOD glucose, and it bothers me because my GP wants fasting blood , as usual, for a HbA1c thinking I may be heading toward pre diabetes . I am reluctant to explain to her that I get info from the internet because she is very negative about that. I'm an RN . I may look for a lot more info to do with my GP problem... 🤔I'm very impressed by Dr Maggs

@edilmora1 3 года назад

Thanks, very very useful

@cassieoz1702 4 года назад

I've used GKI as an indicator of how I'm travelling (and I'm in it for more tham weight loss)

@brittanyleascott 4 года назад

Thanks so much! Haven't lost any weight beyond my week 1 loss of 3 lbs and now on week 7. Always in ketosis between .5 and 3.0 so was really hoping to find optimal times to test. This helped so much...hoping for more fat loss soon : )

@princess2010224ily 3 года назад

Howd things end up going for you?

@jonilarsen-haikarainen8733 4 года назад

I have been testing my ketone levels before and after (high intensity) exercise out of curiosity. So far I have noticed a very strong correlation between high ketone levels before exercise and better performance.

@DrDanMaggs 4 года назад

Yeah, this is an interesting area. I'm playing around with this myself at the moment!

@lbee8247 3 года назад

Just got and opened my meter today. Trying to learn everything before starting to use my device and sticks.

@sandyzaluski2690 6 месяцев назад

Data geek. Love testing and comparing info

@JuliePoole 4 года назад

Hi. I’m new to keto, 1 week. I tested yesterday before dinner around 6pm and it was 1.4. This morning at 11am it was 3.8. I was 16/8 fasting. Is that level of 3.8 normal when fasting? The meter info says to stay between 1-3. I’m confused. Thanks for help

@klgirv 3 года назад

Geek 🤣. Great information in your videos. Thank you!

@WizardNumberNext 4 года назад

Retired data geek here. I consider subscribing. You make quality videos and earning consideration from me is a lot, especially on first day. I have watching some channels for 3 years before subscribing. I have few objections here and there, but most people simply do not know this stuff anyway, so it is not your fault (faulty science forgetting facts from history). Nothing directly related to subject of your channel though.

@emilyneumann1613 4 года назад

This was SO helpful. Thank you so much!! I have been using the urine strips first thing in the morning= ALL WRONG. :) Thanks again

@susansimpson2423 4 года назад

Geek! I’m super carb-sensitive so testing after a meal (or day) of adding carbs shows me which carbs to avoid. :)

@DrDanMaggs 4 года назад

Great work Susan!

@LifeIsWonderful675 Год назад

Thank you from Australia for that information have been on strict diet for 1 month to stop seizures. I was at 01.5 which was low. I didnt leave the strip in for 15 sec though.

@superluci58 Год назад

Paleomedicina Hungarian Doctors using the PKD to heal very severe diseases suggest go get the ketosis once a day at the end of the first meal right before the second one. That’s your best ketosis level moment. After approx 5 hrs. But they look for a deep ketosis. I prefer omad so I wait 5 hrs , before going to bed. After the sport/ activities it doesn’t make sense. Hope it helps.

@DOLfirst 4 года назад

Total GEEK 👍

@DrDanMaggs 4 года назад

🤓

@vistamar5684 Год назад

Geek for sure. I'm a fan.

@mathom31 26 дней назад

Very helpful video. And…… GEEK!

@hermyish 5 лет назад

Total data geek here!!!! 🙋‍♀️

@berkeleygang1834 3 года назад

Geek as charged. New to Keto diet, so I need the numbers to verify things are going to plan.

@so_cal_mom 5 лет назад

I had been testing my ketones when I wake up - thanks for the tip. Can you tell my if synthroid will have any effect on my ketone reading or insulin?

@mellowEsko 3 года назад

Thanks for the info! I've been using the urine strips, but they have yet to show any significant ketones.. I will try your suggestions on timing :)

@rubensonorio8805 3 года назад

Sure data geek here 🙄💻 . Thanks for the video😃

@banjo790ange3 5 лет назад

Great advice and info again Dr Dan. I’m still debating testing as I’d like faster weight loss but I’m adverse to testing blood ketones, but of needle phobia!!!

@DrDanMaggs 5 лет назад

Thanks! I'm not going to lie, doing a fingerprick several times a day does suck a bit, but just remember there are people who have been doing it 4 or more times a day their whole lives :)

@WizardNumberNext 4 года назад

It is not that bad, when you would get good at it and would know how to set your lancing device and get used to pricking your finger. There was a time when I was doing it even 4 times a day. Just pure curiosity and hunger for knowledge

@ashleyrae8793 3 года назад

Thanks!

@gendoll5006 2 года назад

I started keto 9 months ago and lost 60 lbs in the first 4 months and lost 90 lbs by month 6.5 but I’ve stalled (really gone up and down 10 lbs) the past almost 2 months (which I’ve had a few cheat days completely off keto and had “keto cheat days” where I went over my calories and over carbs a bit on my 1200 calorie/20 net carb goal. I honestly got comfortable with my weight and was happy but not anymore. I’m ready for the second wind! Just bought a blood ketone meter to give me that kick and I’m so excited! I used urine strips religiously for the longest time and it gave me motivation. Hoping this will too! Just need that push to not eat any keto sweets tbh lol.

@tdreamgmail 4 года назад

Tested for the first time at 8:50pm because I didn't know what I was doing! 0.6 mmol, yeah baby!

@glendakay9895 3 года назад

I do not know if i am a geek. I will check at first.

@abemedina3403 2 года назад

GEEEEEK! I test before, 30 mins after, and an hour to an hour and a half after. Just to see how I’m affected by certain meals.

@lamajigmeg 5 лет назад

good tip

@cateedwards1163 5 лет назад

Helpful !

@DrDanMaggs 4 года назад

Thanks! I try

@RuthKudzi 5 лет назад

You make medical topics easy to understand and 'not scary'. Thanks for sharing your expertise with all of us. :)

@DrDanMaggs 5 лет назад

Thank you! Much appreciated!

@LeonaHorn 4 года назад

Question. I do OMAD at around 5pm after 23 hour fast. Should I check right before the meal or will it be a bad time because of the fasting?

@WizardNumberNext 4 года назад

I used to run in the morning I was testing ketones before run and after I came back home. I do not leave house and run right away, but I walk for around 7 minutes, run for 25-30 minutes and then walk back for around 5-6 minutes (I walk faster, as my body is already in higher performance state) It my ketone level fall, if liver stays absolutely fine, but they will go up if I get pain because of overworked liver due to ketone production for physical activity) Test yourself. Run long enough to trigger sharp pain in liver. It does need to be very painful, just sharp. When you get this you should gradually slow down and get rest of at least just walk. It will pass and it is perfectly fine. It is just signal that liver is working harder and it grows to accommodate extra body needs.

@brendagodinez8285 4 года назад

Thanks

@chely7072 3 года назад

Hello, which brand of Ketone"s reader do you recommend?

@geoffreyray6682 4 года назад

Geek for sure, the only reason I ordered one

@dewiastuti3284 10 месяцев назад

Geek. I also like to get on a diet as a hobby since 1998 :D 16-20 y.o: Calorie Deficit (3x) 21-30 y.o: Calorie Deficit (3x), South Beach (2x), Herbalife (2x) 31-40 y.o: Herbalife (1x), Post Partum catering (1x), Mayo (2x), GM (3x), Blood Type (1x), Combo Mayo+Blood Type (2x) 41-50 y.o: Combo IF+GM (1x), Intermittent Fasting (continuous).

@stitch7967 4 года назад

Geek here also! I'm new to the Keto diet, trying to reduce my blood glucose levels. I've been doing this for about six weeks now. Lowered my A1C from 8.1 to 7.0 Just started testing my Ketone level yesterday. It was a 3.5 I'm eating as best I can a low carb diet. I've dropped my weight from + or - 154lb's to + or - 133lb's. Weight loss is not my main concern. A1C and glucose levels are and getting off my meds are #1 concern. With doctor approval I'm off two diabetes meds and B/P med. Hopefully after next A1C test in July I can reduce or eliminate last diabetes meds. Thank you Dr.Dan for your very easy to understand and informative methods.

@DrDanMaggs 4 года назад

Wow! This is awesome! Well done and best of luck for your next bloods

@Clo-Ryda 3 года назад

3.2 first thing on the morning, so they will be much higher later on without the dawn effect? Thanks dr :)

@lthaus Год назад

DataGEEK With out question.... CGM because I was sticking myself 7-9 times a day so I could see before after, after peak, after peak after. :)

@sharonjuniorchess Год назад

Understanding how blood sugars rise and fall during the day and how ketones only start to rise after that last meal blood sugar decline mean that it is not like taking your temperature. I've just started so I am curious to use Keytone stips to see if I am excreting Keytones or whether my body has adjusted to handling them. Once I know that the process is working I might want to monitor my data but the results speak for themselves; reduced weight levels and blood pressure readings.

@joanstrunk4715 4 года назад

Data geek here! My husband says I’m obsessed! I’ve been checking my ketones as soon as I get up! Usually not high ketones or glucose levels. Like so many here, I needed to lower my A1C and I accomplished that in 6 months, from 6.4 to 5.4. I feel great! I am going through a bout of kidney stones at the moment. I doubled up on my potassium and magnesium intake and started doing 45 minute bath soaks in Epsom Salts! It’s working. Any thoughts on the increased incidence of kidney stones on the Keto Diet! Keep up the great work! I’ve been binge watching you all morning!

@mikat688 4 года назад

Joan Strunk dr Berg says to drink lemon water to avoid kidney stones and help them dissolve.

@joanstrunk4715 4 года назад

Turned out not to be a kidney stone, so we’re doing more tests. Looks like a cyst in the right kidney. Thanks for the advice. It definitely was not caused by the Keto Diet so that’s good to know.

@TandZAptLife 2 года назад

Thanks for the information. I am a big-time data geek. I I'm a retired research nurse with a PhD. Any chance I get to use my data tools I do.

@clowray2747 2 года назад

GEEK!!!

@pradeepduminda724 4 года назад

Is that same strip and machine we can use for blood glucose level checking to the keytone level test

@parsathil4438 4 года назад

Starts at 02:50, skip the intro.

@openmindedmedia-rob 3 года назад

Total geek here 😎

@scottanderson1101 2 года назад

Any suggestions for food I should avoid with mobility issues. Dr. recommended Low Fob diet. I can't do that diet. I love Keto. its they only way of eating that has worked for me.

@RobotronOG 3 года назад

My ketones are now staying between 6 and 9.5 on breath. I did blood and it was 4.0 when the breath was 7.1. tested glucose 86. So my ketones high and glucose normal. My breath was exact match with blood when they were between 2-3. but once they raised real high on breath, the blood was different. Still high but not as high.

@luciaseacreature8705 4 года назад

my glucose never seem to change whether in am or after a meal (always around 80-90s) but ketones are highest in am and lower in evening... and i only check once a week or every other week

@nancygaston4095 2 года назад

I hate to admit , as a retired nurse : I graze all day . Yesterday I tested neg at dawn,as you spoke about, and mod at 3pm. I don't feel like eating at dawn so should I test just before I have my first bit if food? I am finding your sites the best so far for me. Also, my GP wants to do a HbA1c but my fasting bood glucoses are higher than nonfasting. I'm pretty sure she wouldn't agree with your theory so what do I do about the her lab instruction to fast for HbA1c? It's a real worry.