Doctors WRONG about Fasting before Labwork! [List of Tests] 2024

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Many people have been told by their doctor that they don't need to fast before their bloodwork. Nothing could be more False! Many routine blood tests give false results if you're not fasting when the blood is drawn. Don't fall for this lie that many doctors tell. Always fast from 12-14 hours before your blood is drawn for lab tests! I cover the most common lab tests that won't be accurate if you're not fasting in this video...
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0:00 Doctors WRONG about Fasting before Labwork! [List of Tests] 2024
0:48 Recommended length of a fast is 12 to 14 hours
1:19 Fasting Glucose
1:51 Lipid profile, Lipid panel, Triglycerides
2:17 Total Cholesterol, LDL-Cholesterol
2:33 Liver function AST/ALT
2:44 GGT (Gamma-Glutamyl Transferase), ALP, Alk Phos, Alkaline Phosphatase
3:01 Kidney function, BUN (Blood Urea Nitrogen)
3:22 Iron, TIBC, Total Iron-Binding Capacity, Ferritin
3:38 Folate, vitamin B12, vitamin D
4:15 Endocrine, TSH (Thyroid Stimulating Hormone)
4:30 Fasting insulin, Cortisol
4:46 Serum Ketones
5:17 Pancreas Amylase, Lipase
5:43 Time of day for a blood test
7:26 Doctors need to remember basic physiology
8:03 If a doctor says no fast prior to a blood test

Опубликовано:

13 фев 2024

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Комментарии : 646

@jasminaganagic4744 4 месяца назад

I once had chicken wings and potatoes, everything baked, 12 hours before labwork. Insulin crazy - doc said because of wings. Then I did it again, once with just potatoes, one with just wings, both 12 hours prior. Insulin skyrocketing again after potatoes, and no insulin raise when just wings. It's crazy how fatty meats are demonized these days. I will literally never stop eating meat until the end of my life.

@paolamolinari364 4 месяца назад

I know, they totally speak out of sheer ignorance!

@Lestibournes 4 месяца назад

Because of the no carb portion!?

@kellysnavely7903 4 месяца назад

Cool experiment!

@MAJBrett1 4 месяца назад

@paolamolinari364 it might not be sheer ignorance as much as inexperience. When I started as an FNP 14 years ago, I was repeating the same lies... that is until I got a few years of practice under my belt, truly looked into the studies and started to question the science. Since then I'll never recommend much of the BS they claim as "science" until I get a good look at it, read the articles, and observe for a few years.

@AnnieDog-arfarf1 4 месяца назад

Am I misremembering or did one of the low carb researchers note that triglycerides tend to rise again after 12 hours?

@truthmatters7805 4 месяца назад

My husband is soon to be 70 years old. His blood sugar was over 200. I eat totally different so I'd had enough!🤣 I took all carbs sugar fruit and processed foods out of his diet and fed him grass fed beefs bacon eggs butter very low carb vegetables extra virgin olive oil flax seeds chia seeds and other seeds and nuts as well as organic no carb no sugar smoothies. He dropped over 20 lbs and blood sugar is at 109 in 60 days-

@michellerivoire6618 4 месяца назад

👏👏👏 Amazing!!

@donquihote6023 4 месяца назад

Absolutely. Same.

@highplainshollarhomestead3188 4 месяца назад

Take the nuts and seeds out next.

@leaannebrummett9159 4 месяца назад

I tried this with my hubby, very slowly. After 4 weeks without potatoes he wanted to know why the heck we had no potatoes in the house. He was not happy. He still believes potatos and salads are the best way to lose weight even though he's still gaining and I've lost 60 lbs.

@katannyadirkson6147 4 месяца назад

😮@@leaannebrummett9159

@cassieoz1702 4 месяца назад

I'm an old doc and i was taught all this. Where have we gone wrong with medical education?

@pat4005 4 месяца назад

Big Pharma know exactly which "numbers" are needed by lab results, to get the doctors to inform their patients what meds to take. They are the ones who define what parameters the results have to be in. No one else could determine what the numbers need to be, to be "within range", or "Low - Normal -High". During the creation of the thousands of meds out there, only the ones who do the development and testing know the truth. So when the same companies do both, (develop the drugs AND the determination of the ranges set for the lab results), they are the only ones that have the supposedly correct info to give the labs and doctors to follow. They would also be the ones informing the doctors whether the patient needs to fast before a lab test, and for how long. So it is their (Big Pharms's) best interest to set it all up so that the most people fall into the unhealthy range as much as possible. Then the doctors are required to suggest those drugs to patients as their saving grace to lower or raise the numbers some months down-the-road AFTER taking their new prescription all that time. To be fair, Doctors have to follow guidelines of the organization they belong to, or to meet criteria of the hospital or clinic the work for, or insurance the patient has. So there is a paper trail and if the doctor has the lab results and it shows you have some tests with the "numbers" pointing to a condition that requires drug intervention, and they don't follow-through and prescribe treatment, they could get in trouble. That's why many patients get dropped by their doctor if they refuse to take prescribed (big money-making) meds like for statins, depression, anxiety, etc. Those meds make Big Pharma BILLIONS fer drug per year.

@gracie3174 2 месяца назад

Corporate medicine is destroying medicine at every level. No one trust it any longer. Big pharma medicine for everything. Don’t cure it, medicate it. Profits, not people. Beyond sad…

@azaleaacres 4 дня назад

Big Pharma

@johnpoole7474 2 дня назад

See "pharma"

@JeanLewallen 4 месяца назад

As a clinical laboratory scientist, Dr Ken Berry is absolutely correct.

@marylynch951 4 месяца назад

Thank you

@scottsellers9039 4 месяца назад

Another CLS here. Doing my own lipids after going carnivore I can attest that it makes a HUGE difference if your not fasting!! If your on a carnivore life style you should be fasting AT LEAST 12 hours, 16 is even better!

@Varadiio 4 месяца назад

@@scottsellers9039 Ok perhaps one of you can enlighten us a bit here... Other doctors, I don't recall who atm, have stated that levels can vary so much that the difference between fasted and unfasted is less important than follow-up tests for variance week-to-week and so on... which makes the steps of the process perhaps different for the psychology aspect of adhering to fasting etc. in follow-ups? Anyway that's not a question you can answer but where I believe their opinions lead. So the question, really, is whether or not it's true that both fasted and unfasted numbers fluctuate significantly enough that focus should be on more testing, rather than immediate manipulation of variables? I am sure those doctors were not the types to suggest that the first high unfasted LDL result, for example, lead to immediate statin prescription. I think many here as well as Dr. Berry are concerned that some doctors are doing this. I don't want concern for these bad practices to get in the way of the actual scientific answers.

@brendabowers2320 4 месяца назад

@@scottsellers9039I agree!

@camillesamples8790 3 дня назад

Indeed! Another CLS here. I always fast at least 12 hours. I tell my friends to do the same. My friend was concerned about her high triglycerides. The doctor had not told her to fast. Amazing!

@cherylgarrett4455 4 месяца назад

I had labs done without fasting because doctor said no need.. came back that i had stage 3 kidney disease. Had them redone. Couldn't get into labs until afternoon. Fasting for 24 hours. Everything perfectly normal!

@GinaSpector-mz2uq 3 месяца назад

I have stage 3 CKD and border line A1C. I 8:24 have been taking a supplement called Berberine. One tablespoon extra virgin olive oil twice a day. And 5,000 mg methyl B12 and vitamin D 2,000mcg every day. Plus low carbs and no sugar. I go for my blood work May 8th .

@scottg5588 3 дня назад

@@GinaSpector-mz2uq How did it go?

@GinaSpector-mz2uq 3 дня назад

@@scottg5588 kidney disease now stage 1. A1 c went from 6.2 to 5.6

@judyturner7419 4 месяца назад

This is so funny because I just went to the doctor for my physical and my lab work this morning. The doctor told me there’s no need to fast anymore. I have been fasting. I didn’t think it was right that you didn’t have to fast. It seems to me like it would affect a lot of stuff. Thanks for this video Dr. Barry. You proved me right🙋🏼‍♀️💕

@paolamolinari364 4 месяца назад

They want your labs messed up so they can falsely medicate you.

@sherylpreuitt8243 4 месяца назад

Been listening to Doctor Barry and using common sense, figured out that they don't want you to fast anymore because it'll drive your numbers up. Then they can insist that you go on some sort of medication to bring it is that's elevated down. Not fasting and redoing the labs will show the numbers are still up and you need to stay on this medication forever. It's all about their bottom line. $$$

@c103110a 4 месяца назад

Fasting is racist now. lol!

@therealjenniferrr 4 месяца назад

They are saying no need to wear the protective apron at the dentist when you get xrays done now... healthcare is legit trying to mess us up at this point. It's nonsense.

@annab9847 4 месяца назад

They can put you on more medication if your labs are off-which they will be if you don’t fast beforehand. I’ve heard that pharmaceutical companies donate a lot of $ to medical colleges. 🤔I wonder why?

@steve1711 4 месяца назад

Had recent bloodwork check in UK - annual review. Blood pressure excellent, LDL just within range. Triglycerides to HDL ratio 0.65. Slim. fit and healthy - have never needed to go to the doctor, my record is blank. Got a print out of results and recommendations, by email. "You might benefit by taking a statin!" Dietary advice was the Eatwell guide - heavily carb based , cut down on red meat, Just a joke - I look at the overweight nurse reading from a script - she says do you do any walking - I say no, I run 25 to 30 miles every week. Oh she says, you should try to do more walking. When she asked how much alcohol I consumed I said I try to drink less than my doctor.

@niominiomi1111 4 месяца назад

🤣🤣🤣

@cassieoz1702 4 месяца назад

There are stupid people in all walks of life

@jerrysims6691 4 месяца назад

Yep - this how truly crazy it all is.

@naijaman6639 4 месяца назад

I am a medic in the UK and I cringe at the nonsense that goes on here. I feel pain because I realise that if I didn't develop diabetes, I may never have known what I know now. The ignorance amongst doctors, nurses, and patients, is criminal. I know this sounds harsh, but my sentiments dicate the depth of the problem.

@Sssssssssssunflower 4 месяца назад

😂😂👍👍

@brendabowers2320 4 месяца назад

Dr, Berry, I just left my long time doctor because of her lab technician. She has a God complex where she thinks she is right on everything because she draws blood. I kept telling her I only have done fasting blood tests because if I eat it messes up my readings. She yelled at me in front of the whole office , saying , “you don’t have to be fasting for these three tests. My doctor is the one who orders fasting labs. As I walked out the door of the backwoods thinking lab tech yelling, I said, “I’m done”.And I never looked back. That’s when I came online and found you! You have done more for me in two months than my doctor of 15 years has. Blessings can be found if you look for them. Thank you from my heart for being here for those of us that were about to give up. I’m now detoxed off all grains, almost done with sugar, as I still have one teaspoon in my morning cup of coffee. I love eating carnivore, I feel so much better, and I am finally losing weight. I am almost 67, and a great grandma. ❤

@lelandsmith2320 2 часа назад

Make sure you send your doctor a letter explaining your reason.

@brendabowers2320 2 часа назад

@@lelandsmith2320 nope, I sent a letter to Medicare telling them that doctor has been charging them for services I have not received. I sent them proof of her fraud charges and she is getting just what she deserves. I held my tongue for way too long as it was giving that doctor a chance to correct her billing. That lab tech was the straw that broke the camels back for me.

@bigkntry6251 4 месяца назад

I started the carnivore Diet because of you because I needed to do something to get this weight off so jan1st was 460.4LBS and as of today 2/13/24 I'm down to 420.1LBS just wanted to say thank you for all the advice I've learned and still learning

@emilianozapata175 4 месяца назад

Tremendous. Well done and keep up the good work, your body will thank you. Maybe you'll have to soon change your name to smallkntry6251 😉🙏👍

@LaughingblueSu 4 месяца назад

You are knocking it out of the park! Love yourself 💙walk💙stretch💙nap💙 how wonderful you are changing your life 💙

@callen8759 4 месяца назад

Keep up the good work!!😊

@stuartgregory6848 4 месяца назад

Fasting KETO and OMAD did wonders for me. I started walking for an hour after my meal and the benefits were eye opening! Keep it up. Cheers.

@NiceLoki 4 месяца назад

@@stuartgregory6848 what is OMAD?

@juddgurganus6060 2 дня назад

Any doctor worth their salt should have their patients have labs drawn in the early am several days before the doctor appointment so that fasting and having results in hand for discussion are not of concern.

@fugu4163 4 месяца назад

I am a BMT (Biomedical technologist) and specialised in biological chemistry. I always gets suspicious when a doctor neglect the fact that Testosterone tests and some other hormon tests needs to be done 7-10 am and fasting.

@charlesterrizzi8311 Месяц назад

You might want to know what those levels are in the middle of the day instead of at peak output

@my-yt-inputs2580 4 месяца назад

My sister, who is a 40 year+ nurse, tells me when she has her Labs done "no one told me I needed to Fast." I was floored. She is tired of me telling her of the importance of an LCHF type lifestyle.

@albertdowrn 4 месяца назад

I'm a nurse, you can tell me anytime!

@colleenbaptiste98 4 месяца назад

I understand your frustrations, I have the same problems, I hardly say anything unless I'm asked.😊

@msramona247 4 месяца назад

I’m a nurse too. We are some of the sickest folks and we take care of sick folks. Carnivore is the best thing I’ve done. Nurses should be leading the way….

@Kathy-kr1sv 4 месяца назад

At my local hospital which has excellent care... But some (a lot) of the nurses are dreadfully overweight. It's definitely not a good look.. My keto and now low carb + IF life is thought a joke by many. And always pushing the carbs on me... Plus the *you're too skinny* I wonder how it would go down if I replied *you're too fat*.

@timshel011 4 месяца назад

Whenever I see a fat nurse I cringe. And it's very commen

@pamelakrumvieda3153 4 месяца назад

Fun story. I've known the world of fasting and keto for decades. My habit for breakfast was dandelion tea with butter and cream to mimic coffee; sort of fat fast to extend my low insulin as long as possible. When I went to my new doc last year I wasn't thinking clearly and I drank my usual "coffee" on the way to lab work. My lab readings were mostly fine, except ta-da triglycerides. As a testament to my new doc, she didn't flip out but said we should work on that. I was upset by that number and went on a search about it. To my surprise and shame, fat right before lab work jacks up your triglycerides. LOL We both had a laugh the next time I saw her and my triglycerides had dropped almost 100 points. When I told her what I had done and what I had learned she told me I am a rare patient that on their own goes searching for answers and does something about it. I love visiting her, she's the best.

@mlw5665 День назад

I agree that you have found a good doctor because many of us have been absolutely chastised for looking for information on our own by healthcare professionals. It's part of the reason I can't trust them.

@robinw7412 19 часов назад

A lot of doctors don’t like it if you go looking for answers yourself!

@kgurlzmom 4 месяца назад

So many people come.for labs unaware. Docs aren't telling patients to fast. It's amazing

@anointedcountrygirl 4 месяца назад

My mom in her lat 70s told me her cholesterol was high, no issues in the past. I said what did you eat the night before? How long did you fast...her reply, I didn't. I was like, go retake the test.....

@April4YHWH 4 месяца назад

Right before she went on maternity leave, my PCP said she wanted yearly labs and I should fast before the draw. I put it off and didn't get the labs done, but 3 months later another doc in same center sent me for a specific blood test for something he saw me for. I didn't know it, but the lab also drew blood for the order that my PCP had put in earlier. Then her MA sends me a message and says my cholesterol is high and the new temporary doc wants me on statins. I just wanted to write back, "tell the doc to go piss into a strong, oncoming wind."

@jillmcclintock1717 4 месяца назад

Same here! I made them look at ALL the numbers, and the doctor backed down.

@April4YHWH 4 месяца назад

@@jillmcclintock1717 good for you!

@sek4amk729 2 месяца назад

Thank you, for the chuckle 😂

@ganttedmiston4356 3 дня назад

Can fasting 24 hours before blood draw labs negatively affect results?

@christi7774 4 месяца назад

I have not had good experiences with doctors or doctors offices. They don't listen to me and they try to give me prescriptions that i dont need. If I took all the crap that they wanted to prescribe to me over the years i would be dead. I sure wished I could find a doctor that I felt comfortable talking to. There is a pharmacist in my area who is very knowledgeable and explains alot to me if I have questions. I don't take meds but it does concern me when doctors try and get you to take meds you don't need. Going in for just a check up is sooo stressful for me. I havent been to a doctor in 4 years because I don't know who to go to.

@francoisoosthuizen6663 4 месяца назад

I say this respectfully...if you eat right, and feel good, avoid doctors at all cost. They are not what they used to be.

@mikesullivan6422 4 месяца назад

I have the same problem every different medical professional I go to trys to change and add to my medications. I had good numbers untill all the experimenting

@herbalannie7707 4 месяца назад

Thanks. Going to the doctor tomorrow at 1pm. I will be fasted. This is bullshit she always tells me I don't need to be fasted and my LDL runs at 241. She wants me on statins. Even said to me last time why should we check for things if you won't take the medicine for it! Im about done with her.

@CrisanneGalaske 4 месяца назад

Doctor$ make $$$$$ pre$cribing brands of big pharma.

@RebaJ3313 4 месяца назад

I wanted a full Thyroid Panel done. I got TSH, Ft3 & Ft4. That's it. No antibodies, no Reverse T3. My Dr. Insisted they did a full panel. Plus, I forgot to withhold Biotin and she also told me that wouldn't make a difference. It stated right on the bloodwork panel that taking Biotin would skew the results. Pretty sad when you know more than the Primary. She told me my weight gain and fatigue was due to my age & hormones.

@gingersnap5.0 4 месяца назад

Biotin supplements can affect a lot of test results. Many people are unaware of this. Glad you are.

@Mrsladylady 4 месяца назад

Not sure if you’ve seen Dr. B’s videos on STOP THE THYROID MADNESS website and book as a resource but it truly saved my life. They have great resources on the website to get your own testing as well.

@April4YHWH 4 месяца назад

Did you kick your doctor in the stethoscope?

@Sweetest_of_Seven 4 месяца назад

@@April4YHWH😂😂😂

@RebaJ3313 4 месяца назад

@@April4YHWH She's not even a doctor, just a NP. Of course she had to push me to go on statins. I declined. I told her I wasn't worried about my cholesterol. My Tri/Hdl ratio is 1.25 and anything under 2 or 1.5 is good. She didn't even know what I was talking about. A real idiot!

@graybeard222 4 месяца назад

I have often said that fasting is not some weird break from your regular pattern of eating. Instead, fasting is your normal resting metabolic state and eating creates a brief period of crisis while your body deals with the assault of all that food. You shouldn't think of it as though you have to schedule a fast for your tests. Just postpone your eating until they are done. Of course you would take your blood tests when your body is in its normal resting state and not when it is dealing with the temporary feeding-related crisis.

@jerrysims6691 4 месяца назад

I follow up labs from other docs and lately have been receiving a flurry of raised lipids results. On questioning most of the patients I have discovered a large proprtion of them were not fasted. Have had to apologise to the patient and advise them that the results are inaccurate and will need to be repeated in a 12 hour fasting state (water only). Have followed this up with stern letters to the doctors involved. In a good few of these results a recommedation for statin has been made - which makes me wonder how many prescriptions are being given based on false data.

@jodipokorski4354 4 месяца назад

Watched one of your videos 11-30-19, started keto 12-01-19. Asked the NP for an HbA1c and a CAC 07-15-21. These were refused. A CBC and a comprehensive metabolic panel were done instead. In December of 2020 my chart indicated that l received smoking cessation education. I am a non-smoker. This was finally corrected 09-02-21. I no longer go for medical care.

@disqusrubbish5467 4 месяца назад

Just find a good doctor instead of giving up medical care.

@lelandsmith2320 2 часа назад

VA employee gratuitously said my hand Xray showed an old fracture consistant with punching somebody. Must have slipped my mind, what I remember was falling off a platform at work and landing on an asphalt road.

@laurakincaid9436 4 месяца назад

Husband just had labs.....cbc, cmet, lipids, glucose, a1c, psa and tsh.....he ate huge carnivore breakfast just 2 hours before his appt with doc and she had him get blood drawn during that visit. After stating concerns about him not fasting she said it was fine not to fast.....this was two weeks ago. All his cholesterol numbers were off...highest he's ever had. She also tried to put him on a new med for triglycerides and he refused to pick up the meds until he got the labs redrawn with fasting. he is getting them redrawn. I will not be surprised if his levels come back "normal".

@saltedllama2759 4 месяца назад

@AnnaSusannaFinkelstein-bd7ul I don't know if the doctors are even aware of it though. I think this is simply how they are trained and educated. The pharmaceutical and insurance companies fund most of the medical academia, and Pepsico and General Mills fund most of the nutritional academia. At the lowest levels of education, children are being taught that their parents are liars, the USA is evil, and their gender is a social construct; at the highest levels of academia, they are taught only how to ensure more people end up dependent on medicine and doctors forever.

@brendahunter9134 4 месяца назад

Wow, I didn't know they have triglyceride med

@laurakincaid9436 4 месяца назад

@brendahunter9134 new to me also. I wish asked the name of it. The pharmacist said it was specifically for triglycerides.

@JamieE76 4 месяца назад

I've been told once in recent years that I didn't need to fast for blood labs. But, I've been getting labs for a long time, and I always fasted, and that is what I will continue to do. And I always try to schedule my lab appointments first thing in the morning, so I don't end up fasting too long.

@fucuszullanti7877 4 месяца назад

If I fast before blood work i'm going to pass out on the floor

@jenchanning1022 4 месяца назад

Nurse went to draw my bloods but refused because I had fasted. I think it maybe to give incorrect readings so can therefore prescribe more meds. Went away had some food got tests done and yeah high readings I didnt get scripts filled just carried on.Havent been back to drs since.

@someoneyoudontknow7705 4 месяца назад

Yeah that was my thinking as well! So they can write some more prescriptions and get those kickbacks from the pharmaceutical companies…

@kinky_Z 3 месяца назад

I think you're right... they get kickbacks for their Rx writing. Docs these days are just the distribution arm of Big Pharma.

@joen.8364 4 месяца назад

The Veterans Administration Clinic I go to has now stated that fasting isn't necessary for routine yearly lab work. The lab tech told me now the doctors just order an A1C, they don't seem to realize the rest of this information you have stated. If the doctors can't realize the information, you just stated, it makes one wonder how well they can diagnose any issue. I already know, having been going to these clinics for some time.C

@someoneyoudontknow7705 4 месяца назад

@@AnnaSusannaFinkelstein-bd7ulExactly. And they really hate when you ask questions, especially the VA doctors.

@CrisanneGalaske 4 месяца назад

Everything is a complete mass out there, but there are true professionals

@PugpugKeller 8 дней назад

@@someoneyoudontknow7705true..

@PugpugKeller 8 дней назад

@someoneyoudontknow7705 they asked how many guns I own.. prior to by blood draw.. I asked.. what???😢 does that have anything to do with my blood draw results?

@lelandsmith2320 2 часа назад

VA doctors don't have to diagnose anything, they just kick it down the road to your "new doctor" next year.

@nancygorham5908 4 месяца назад

I turned a lady onto your site today at a service station. She seemed very interested in Carnivore for weight loss and some situations she had going on metabolically. I hope see looks you up!! Thanks so much for caring so much to post these health benefits!!

@68SandraK 4 месяца назад

Do you know how discouraging it is to have an endocrinologist that has you have all kinds of lab work the lipid panel, the thyroid and no instructions about fasting… Dr. Berry I’m glad that I’ve listened to you in the past. I’m thankful that I have enough sense the fast before blood test. I’ve been eating the proper human diet and I can almost go all day. I can go all day without eating and actually feel pretty good.

@justjennb11 4 месяца назад

I am so glad I found this. I've had my labs done every 3 months for about 3 years due to B12, D3, Iron, and Ferritin deficiency, and to check A1C and autoimmune blood work. I've never once been told to fast for anything. I still feel like some of my numbers aren't accurate due to some lingering symptoms. I really wish I were your patient.

@susangrande8142 4 месяца назад

Now you know, and maybe your tests will be more accurate next time after you’ve fasted for them. 🙏

@therealjenniferrr 4 месяца назад

You can also not fast for the iron panel if you supplement iron about 2 hrs prior, then you can see how effective your supplementing is by looking at the tsat%. This is so you don't take too much iron, safety reasons.

@stevewilcox1755 4 месяца назад

blood iron test only report blood iron levels not body level. unless you lost lots of blood 99% of ppl have too much iron and need no give blood not plasma, only way to reduce iron overload and take copper. read the book CUre your fatigue.@@therealjenniferrr

@lelandsmith2320 2 часа назад

@@therealjenniferrr VA had me on iron pills for 7 years for a b12 deficiency...

@angieb4631 3 месяца назад

I always thought it was weird that doctors would say you don't have to fast. I will always fast at least 12 hours. Thanks Dr. Berry for bringing this up! I think its really important for people to know.

@saints82 2 дня назад

When making appt for bloods form says Fasting or non fasting. Are the tests different?

@saints82 2 дня назад

Asking as l can choose but Dr says get non fasting.

@angieb4631 2 дня назад

@@saints82 They want to know if you fasted or not. If the doctor orders a non fasting test, and then you fasted, you can put that you fasted. You will always get a more accurate test result if you fast. If the doctor orders a fasted test, and you did not fast, then the lab will want you to come back another day.

@angieb4631 2 дня назад

@@saints82 If it is for cholesterol or A1c, then always fast. No matter what. 12 hours at least. Otherwise, it will not be accurate. It makes no logical sense why it would be a non fasting situation, unless they are trying to get more patients on pharmaceuticals.

@mtnmagic1998 4 месяца назад

I've always fasted before all blood tests.

@wonderwoman6232 4 месяца назад

Wow. I must be lucky. I've never had a doctor tell me not to fast before lab work.

@GoldenNugget. 4 месяца назад

Yes same for me! My Doctor always told me to fast for 12 hours. Always.. 😉

@francoisoosthuizen6663 4 месяца назад

Hold on to that doc

@skinnydee1886 4 месяца назад

@@GoldenNugget. My doctor has always told me to fast for 12 hours but only last month he said that I don't have to fast any longer so it's a recent thing!

@skinnydee1886 4 месяца назад

@wonderwoman6232, My doctor has always told me to fast for 12 hours but only last month he said that I don't have to fast any longer so it's a recent thing!

@lelandsmith2320 2 часа назад

I haven't had a VA doctor talk to me for anything for years... their robot does it all.

@corpnupe85 4 месяца назад

I am currently going to a Physician who has never asked me to 'fast' before any lab work. I asked the office staff about fasting before blood is drawn. They told me that fasting does not affect the results. And they want to start me on a statin. I am looking for another Physician.

@kathysmathers512 4 месяца назад

Kinda sounds like they want the results distorted so they can prescribe you something, doesn't it?

@corpnupe85 4 месяца назад

@@kathysmathers512 I agree.

@joefw2446 4 месяца назад

I always fast but no more than 10 hours when I was still on the SAD. I will up that to 14 hours now that I have been low carb/ low sugar for two years. Thanks Dr Berry!

@paolamolinari364 4 месяца назад

Absolutely, not fasting really affects your triglyceride readings and your full lipid panel for sure.

@trail.blazer 4 месяца назад

Fasting is IMO essential for lipid tests but fasting too long is probably not a good idea.

@SteveEricJordan 4 месяца назад

my left ear approves this message

@andreal840 4 месяца назад

I thought my headphones were messed up, thanks for commenting 😂

@TheDogPa 4 месяца назад

LOL!

@RC-tm8jo 4 месяца назад

SteveEricJordan wins RU-vid comment of the day 😂.

@lathersoaps 4 месяца назад

My right ear doesn't work, not even a tiny bit, so I'm cool.👂🏻😅

@jeffj318 4 месяца назад

Correct 😂

@damiangrouse4564 4 месяца назад

Yes, you hear that (fasting not necessary) more often now…my wife and I are of a certain age and both RNs…Fast for labs people. Ps. Make it a “fun thing” by having your favorite food after.

@jross9787 4 месяца назад

Exactly what I do!

@edsmachine93 4 месяца назад

Thanks Dr.Berry I appreciate the information. My Wife is a Nurse Practitioner, FMP. I am going to share this with her. Have a great day.

@OldGuyAdventure 4 месяца назад

The only lab I have been getting is for Testosterone Level, and I always fast. But not like 12 hours before but 48 hours before, and I do this because this would be a state I always strive for anyway. I find when I am fasting, I feel better; eating for me, even in Keto or Carnivore, can result in a lot of pain, so I do it sparingly. But I am in Canada, and it became pretty apparent that Canadian Medical does not buy the best instruments; I found this with my testosterone tests, which they do calculations and do not actually know all the components. It was suggested I go to the US and buy a Testosterone test at an independent lab actually to find my testosterone levels. Still, my doctors both strongly opposed me learning the actual values. I always think in Canada, the medical system isn't about making you well but fattening their own pockets, getting paid to promote suffering. My mother had a fluids test done years ago, and the number that was returned to the doctor indicated she would only live for 6 weeks, so we all flew in to sit with her at the bedside under the understanding she was dying. As it turned out, a second test was ordered, and the previous test number was out by a decimal point; someone had written down the value wrong prior to entering it into the computer. This is just how archaic the Canadian "Free" health care system is that is paid through your taxes.

@intenttoinjure 4 месяца назад

I'm in canada. Never experienced anything like you have.

@michelegirard 3 дня назад

You should be thankful that a serious illness like cancer doesn't mean that you will lose your house and go bankrupt while you are sick. No greedy insurance company will decide for you which doctor you can see and what treatment you can get. Be thankful for what you have. The grass always looks greener in the neighbor's yard....

@KenDBerryMD 4 месяца назад

Here's a list of all the labs you need to ask for: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-ddT-eXz66SY.html

@robertevans1343 4 месяца назад

Cool Video Mr. Berry 😊

@tomstulc9143 4 месяца назад

I wonder what happens if you fast from 36 to 72 hours on ketosis and then take your labs.

@JeremyCouch 4 месяца назад

I've been taking my vitamin P daily as I wait for your lab work video. Are you still planning to release that on RU-vid?

@ritabooke8953 4 месяца назад

I had a doctor late 90's early 2000 that used to write random on the glucose test (I think) so no fasting.. I thought it was wonderful, 🤣 also same Dr diagnosed a blood clot in my leg without a dobbler. and sent me to the emergency. Well emergency sent me home twice before I had emergency surgery, so I really trusted my GP after that! Thanks so much for this info! BTW you may want to pin this post as it is getting lost in all the wonderful comments.

@2007vwbeetle 4 месяца назад

What about water before a fast? If so how much? If none thst seem would effect blood levels?

@jjodom1010 4 месяца назад

I get a yearly check up every year with bloodwork done and the doctor never told me to get it done fasted. Last year the lab tech looked at me and said did you fast? I told them I didn’t know I needed to fast and they just shook their head.

@TheDogPa 4 месяца назад

Why does RU-vid always run a Burger King add before your vids? LMAO!

@avid6186 4 месяца назад

They don't for me, perhaps it's telling you something about your eating habits 😀

@williammckenney3590 4 месяца назад

I usually get the Ozempic ones.

@lostindawind4116 4 месяца назад

I get Stuck Poop, Imma Gonna Jump in this Pool, and the buff lady who has a pizza delivered.😂

@cleancutguy1892 4 месяца назад

you gotta get a youtube ad blocker! Or just pay premium youtube so you don't get those pesky ads

@TheDogPa 4 месяца назад

@@cleancutguy1892 You tube has changed the way they do ads. For now you can refresh or skip, but they have said they will end that. They also throttle those with blockers, making live shows almost impossible to watch sometimes. All basic stuff out there...I do SEO, so I'm om top of it.

@heidibatchelor7115 4 месяца назад

So now that doctors do require fasting the results are going to further skew the “normal” range for everyone. Of course they don’t ever share optimal range like you do in your common sense labs book. Thank you for this video!

@nogames8982 4 месяца назад

I have always fasted before blood tests. I did not even sure why, it just seemed like the right thing to do. And now that I don't eat breakfast anyway it's very easy I just get my blood test done in the morning sometime.

@lxMaDnEsSxl 4 месяца назад

I went out of my way to get blood test while fasting, to get baseline, just in case. good to know that's actually how it's Meant to be done. keto and fasting community Win

@sheilam4964 4 месяца назад

Thx for doing this, filming it and sharing it with us. 👍👍👍👍👍

@Squee_Dow 4 месяца назад

My doctor tried to pronounce me as diabetic based on my non-fasting glucose test, even though my A1C was 5.2 and then 4.7. 🙄 I had no idea she was going to run labs on me (she was a brand new doctor to me). I spent 2023 making sure she didn't sneak that diagnosis on my chart. I do have peripheral neuropathy, but that was brought on by chemotherapy almost 15 years ago. NOT diabetes.

@Squee_Dow 4 месяца назад

@@AnnaSusannaFinkelstein-bd7ul Thanks! These automatic features aren't always our friend.

@Lestibournes 4 месяца назад

I my country the referral for the tests has instructions written on the buttom, including how long to fast. It's automatic. Then the technicians ask if you've fasted before taking the samples.

@marylynch951 4 месяца назад

Thank you Dr Berry Very very informative

@rfolea2 4 месяца назад

I'm surprised there s no mention here that you shouldn't fast too long either ... it's literally 12-14 hrs. No more, no less.

@someoneyoudontknow7705 4 месяца назад

1:48

@kinky_Z 3 месяца назад

I assume 12 hrs is the minimal and 14 hrs would be optimal. I don't think fasting 16 hrs would make your test results incorrect.

@peaceful3250 9 часов назад

Why? What's the problem with fasting longer?

@kbaz6658 4 месяца назад

Definition of fasting before blood work...only plain water. Influencers confuse people when they say things like "I did an egg fast" or "cream in your coffee won't break your fast". Confuses the meaning of true medical fasting. Normal reference ranges are based on the fasting state. Go to a separate outside lab for blood tests if possible instead of being drawn in a Dr office where the specimen handling might be poor.

@connieturk8306 4 месяца назад

You just saved me a big problem. Almost had my labs drawn by a new physician, but I didn’t let them,( long story) I’ll be fasting before the next appointment.

@jennyw1445 2 месяца назад

Each video I watch of Dr. Berry's makes me realize how much I have been lied to! Thank you for telling the truth, Dr. Berry!

@rhondae8222 4 месяца назад

Thanks for sharing this vital information, Dr Berry.

@RC-tm8jo 4 месяца назад

For the last 6 months, I ate 4 over easy eggs with fatty meat for breakfast (6 strips of bacon or two sausage patties, steak, or pork chops). I averaged this at least 6 days per week and the random off day I skipped breakfast entirely. I got my bloodwork done last week, and my LDL went from 105 mg/dL to 94 mg/dL and my HDL went from 46 mg/dL to 79 mg/dL. This was comparing February 2023 bloodwork to the recent February 2024 bloodwork. Keto did not skyrocket my LDL like I thought it would, but instead it decreased. My triglycerides went from 66 mg/dL to 63 mg/dL, so a very slight decrease. I am very lean, 5'7" 125 lbs. and fortunately didn't fall into the Lean Mass Hyper-Responder phenotype where LDL skyrockets on a very low carbohydrate ketogenic diet.

@skinnydee1886 4 месяца назад

Only last month, my doctor said to me, you don't have to fast to get your blood work drawn any longer; that's a thing of the past! I said ok doc. I ignored him and fasted as usual for 13 hours.

@scottsellers9039 4 месяца назад

Thanks for bringing this up! I can't tell you how many times patients are treated on "false" results because patients and physicians are either ignoring, or are unaware of the way fasting affects lab results!

@smooth_pursuit 4 месяца назад

Aha! I just got a sheet for blood work and was surprised it didn’t indicate to fast. Thought I might anyway. Thank you!

@J3unG 4 месяца назад

OK!!! I will do this. Blood panels are due ASAP for me.

@ziriziri7075 4 месяца назад

I did the fasting from 10 pm to 10 am, but my glucose was 100~113 . I bought a glucometer and started checking to discover this strange dawn phenomenon! My glucose before dinner is always

@jimmymalone3494 4 месяца назад

Thank you Dr.Berry for sharing with us.

@IronLadyDoc 4 месяца назад

Thanks for the review. I totally agree with your assessment

@dyanalayng5507 4 месяца назад

Thanks for the 12 - 14 hours info, Dr. Berry. Some of my tests were marked fasting and some weren't. I'll do the 14 hours. ❤🇨🇦

@haldalorian 4 месяца назад

Another great video, thanks doc.

@stevopowell 4 месяца назад

Good info

@loriegosnell9355 4 месяца назад

I once didn’t fast for a full blood panel because I didn’t know I was supposed to. I rarely went to doctor and never got tested before. When he read the tests anyway… he said my numbers were good anyway and that I must be one of those people that’s never going to have to worry. I haven’t bothered testing since and now I’m full carnivore. I just ate normal sad before.

@Romans12.2 4 месяца назад

I'm so glad I'm a life long learner, my triglycerides have been high and my doctor said if they don't come down then he's prescribing a statin, and the last few tests have not been fasted. So while I am working on changing my diet, I am gonna make sure I am fasted.

@crh251 4 месяца назад

That’s great that you’re working on getting your triglycerides down. When I think of high triglycerides, I think of high sugar and refined carbs. Good luck!!

@Romans12.2 4 месяца назад

@@crh251 yes! My doctor never mentioned it and I've been complaining my bs have been off for years! It was well you can have a year or statins. So frustrated with the healthcare system. While I'm grateful for everything I'm learning, as much as I pay for issueance, I shouldn't have to go to RU-vid doctors to find this out.

@crh251 4 месяца назад

@@Romans12.2, exactly! I know how you feel. We learn more on RU-vid and educating ourselves than going to doctors who’ve had years of schooling where medical schools only push drugs. I will refuse to go on a statin too if my doctor ever recommends it. There are definitely other ways.

@mimaonfire 4 месяца назад

Wow! This was good information. I've taken vitamins, had breakfast, and drank coffee then went to get many of the tests you mentioned. I will know better next time.

@lindatownsend6280 4 месяца назад

I have never been told I didn't need to fast. The doctor will tell me she needs blood drawn, but did I fast that morning. And if I ate anything, I have to come in on another day when I didn't eat anything.

@glockdude54 4 месяца назад

My Dr. allay has me fast and a big thank you since been watching I have lost 25 lbs and lower my A1C 6.8 since September 2023

@susanwilkie8019 4 месяца назад

I have always fasted for all blood work and will continue too!

@cryptobot5146 4 месяца назад

Hey Dr. Barry please check your settings when you upload your video because there’s only sound in the left side

@MicahYaple 4 месяца назад

My left ear loved this one

@Dietitianmercy 4 месяца назад

Very useful Information 👌 👍 👏

@lindadunn8787 4 месяца назад

Thank you 🎉

@chrispaulus4491 4 месяца назад

My doctor and suggested I get lab work done immediately and asked if I was fasted. I said I wasn’t fasted in that I just consumed a 1 pound bag of M&Ms. My triglycerides we’re close to 500. 😐 I have since given up sugar, fiber, processed foods and I only drink my carbs.

@glimtiglimt2979 4 месяца назад

👏Thank you doc

@HealthyDisrespectforAuthority 4 месяца назад

Well crap.. here I was thinking, after reading the title, my doctors have always said to fast before labs.. I was hoping that was wrong. ~sulk~

@SandraHof 4 месяца назад

Me too!😕

@tinabeckett2607 4 месяца назад

I an so sick of my doctors, they insisted on doing my labs in a non-fasted state, and my numbers were so different from last years, I was so upset, now I know why and I will INSIST on fasting next time !

@skinnydee1886 4 месяца назад

@tinabeckett2607, It seems like not fasting is a recent thing because I've always fasted for 13 hours before I get my blood drawn. Only last month my doctor told me that I didn't have to fast any longer as it's a thing of the past! I didn't listen to him and fasted as usual for 13 hours.

@craftyHPLover367 4 месяца назад

OH, I've had several of the listed panels taken, AFTER eating, because I was told to "go ahead, its fine" honestly I'm surprised she still says to fast for glucose and lipid

@sallylabhart2844 4 месяца назад

Thank you so much. I will fast before any blood draw and not a problem because I rarely eat before 3pm anyway.

@frugalprepper 4 месяца назад

My PA never says I have to be fasting, but the lab always asks have you fasted for at least 12 hours. I am like yeah I only eat once per day in the evenings normally. They look like they don't believe me, but they draw my blood anyways.

@devaapurna608 4 месяца назад

What's up with the muted sound on this? Will read captions. Can usually hear you very well on this cheap android phone.❤

@imtired20 4 месяца назад

The VA in Jacksonville, Fl started this no fasting required in their blood tests. I still fast because I want an accurate reading.

@paulsmith7424 4 месяца назад

no-one from my HMO has recommended fasting before taking my labs. I have been with this HMO since the early 80's . no breakfast plus sleeping should give me about 12-14 hrs fasting. Thx for the tip.

@scotttiger8905 4 месяца назад

Thanks doctor Berry.

@DorisMH 4 месяца назад

Thanks!

@raymondbohn2852 4 месяца назад

The last time I scheduled tests with the VA I was told not to bother with fasting.

@kittyblak393 4 месяца назад

Omg, you just schooled us all , now why don't they tell us these things, got us all running around in a panic , thx doc you rock 👍👍🥰🙏

@janiesippel225 4 месяца назад

My doctor has always told me to fast 12 to 14 hours before blood draw. So glad I am doing it right. Thanks Dr. Ken.

@uuzoo 3 дня назад

Great video! Thank you. One thing I would like to point out is concerning liver functions ALT and AST. Weight training can increase those valvues. That's why I always stop working out several days before a fasting blood test. Resistance weight training can effect certain blood test. That's from my experience.

@l.l.2463 3 дня назад

Thanks for the confirmation of what I have always suspected. I don't even try to get my labs done on the same day as my appointment. That way I can go in fasting whenever I want. Some results take a couple of days to show up on my records anyway. Why is it so hard for people (including doctors) to think outside the box?

@jonpalmer2766 4 месяца назад

Thank you.

@garshawoolsey2808 4 месяца назад

My theory is when lab being drawn FAST

@rodbreslin383 4 месяца назад

I fasted for at least 18 hours before my last blood tests around September 2023. The results were very favourable indeed. From now on I will always fast before I get any lab work done. So glad to hear Ken confirming that fasting before lab tests is a good thing. I will not get any lab tests in future without fasting. In fact I’m seriously thinking about a full 24 hour fast the next they post me out an appointment letter to come for blood tests. I’m wondering though, how would a 3 day fast work out before getting these labs done? Could be interesting and I most certainly wouldn’t rule that out either.

@jeffj318 4 месяца назад

Dr Berry says 12 to 14 hours. No shorter or longer and actually either direction could skew your results.