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Does a Ketogenic Diet Help Diabetes or Make It Worse?

“Does a Ketogenic Diet Help
Diabetes or Make It Worse?” Ketogenic diets can certainly lower blood
sugars, better than conventional diets, so much so there is a keto
product company that claims ketogenic diets can
reverse diabetes. But they are confusing the
symptom—high blood sugars— with the disease, which is
carbohydrate intolerance. People with diabetes can’t
properly handle carbohydrates and this manifests
as high blood sugars. Sure, if you stick to eating mostly fat,
your blood sugars will stay low, but you may actually be making
the underlying disease worse at the same time. We’ve known for nearly a century that
if you put people on a ketogenic diet, their carbohydrate intolerance can
skyrocket within just two days. Here’s the blood sugar response
of someone eating sugar, after two days eating a high carb diet. Here’s exposure to the same amount of
sugar after a high-fat diet for two days. Their intolerance to carbohydrates
skyrocketed on a high-fat diet. One week on an 80% fat diet and you
can quintuple your blood sugar spike in reaction to the same carb load,
compared to a week on a low-fat diet. Even a single day of excessive
dietary fat intake can do it. If you’re going in for a diabetes test,
having a fatty dinner the night before can adversely affect your results. One meal high in saturated fat
can make the cause of diabetes, carbohydrate intolerance,
worse within four hours. Now with enough weight
loss by any means, whether from cholera or bariatric surgery,
type 2 diabetes can be reversed, but a keto diet for diabetes may not
just be papering over the cracks, but actively throwing fuel on the fire. I’ve been trying to think
of a good metaphor. It’s easy to come up with things
that just treat the symptoms without helping the underlying disease,
like giving someone with pneumonia aspirin for their fever
instead of antibiotics. But a keto diet for diabetes
is worse than that, because it may treat the symptoms
while actively worsening the disease. So maybe it’s more like curing the fever
by throwing that pneumonia patient out into a snow bank. Or maybe “curing” your amputated
finger by amputating your hand. No more unsightly finger stub! One of the co-founders
of masteringdiabetes.org suggested it’s like a CEO that makes
their bad bottom-line look better by just borrowing tons of new cash.
The outer numbers look better, but on the inside the company is
just digging itself a deeper hole. Remember “The Club”? Maybe I just watched too much late-night TV growing up, but it’s a
car anti-theft device that attaches to your steering wheel
and locks it in place, so the steering column can
only turn a few inches. Imagine you’re in a car at the top of
a hill with the steering wheel locked. Then the car starts
rolling down the hill. What do you do? Oh, did I mention there’s also something
stuck under your brake pedal, too? The keto-diet-equivalent-response
to this situation is who cares if you’re barreling down into traffic with
no brakes and a locked steering wheel? Just stick to really
straight deserted roads without any stop signs or traffic lights.
If you do that, problem solved! Yeah, the longer you go, the more speed
you’ll pick up, and so if you should hit a dietary bump in the road
or start to veer off the path, the consequences could get more
and more disastrous with time. But if you stick to the keto straight
and narrow, you’ll be A-OK. In contrast, the non-keto response would
be to just unlock the steering wheel and dislodge whatever’s under your brake.
In other words, fix the underlying problem instead of just whistling past
(and then into) the graveyard. The reason keto proponents claim
they can “reverse” diabetes is that they can successfully wean
type 2 diabetics off their insulin. But that’s like faith healing someone
out of the need for a wheelchair by making them lie in bed
the rest of their life. No need for a wheelchair
if you never move. Their carbohydrate intolerance isn’t
gone; their diabetes isn’t gone. It could be as bad or even worse. Type 2 diabetes is reversed when
you can wean people off insulin eating a normal diet
like everybody else; then and only then do you
not have diabetes anymore. A true diabetes reversal diet
is practically the opposite of a ketogenic diet: diabetics
off their insulin within a matter of weeks, eating more than
300 grams of carbs a day. The irony doesn’t stop there. One of the reasons diabetics suffer
such nerve and artery damage is due to an inflammatory metabolic
toxin known as methylglyoxal that forms at high blood sugar levels. Methylglyoxal is the most potent creator
of advanced glycation end products, so-called AGEs, which are implicated
in degenerative disease from Alzheimer’s disease and cataracts
to kidney disease and strokes. You get AGEs in your body
from two sources: eating them preformed in your diet,
or making them internally from methylglyoxal if you have
high blood sugar levels. On a keto diet, one would expect
high exposure to preformed AGEs, since they’re found concentrated
in animal-derived foods high in fat and protein, but we would expect less internal new
formation due to presumably low levels of methylglyoxal, given lower
blood sugars not eating carbs. Dartmouth researchers were surprised
to find more methylglyoxal though. A few weeks on the Atkins diet
led to a significant increase in methylglyoxal levels, and those
in active ketosis did even worse, doubling the level of this
glycotoxin in their bloodstream. It turns out high sugars may not be
the only way to create this toxin. One of the ketones you make
on a ketogenic diet is acetone, known for its starring role
in nail polish remover. Acetone does more than just make
keto dieters fail breathalyzer tests and develop what’s been
described as “rotten apple breath.” Acetone can oxidize
in the blood to acetol, which may be a precursor
for methylglyoxal. That may be why keto dieters can
end up with levels of this glycotoxin as high as those with out-of-control
diabetes, which can cause the nerve damage and blood vessel
damage you see in diabetics. That’s another way keto dieters
can end up with a heart attack. So the irony of treating diabetes
with a keto diet may extend beyond just making the
underlying diabetes worse, but by mimicking some of
disease’s dire consequences.

Randall Smitham



  1. NutritionFacts.org Posted on September 18, 2019 at 1:22 pm

    This is the final video in a 7-part series. You can see the whole series at https://www.youtube.com/playlist?list=PL5TLzNi5fYd8H9nNYTHuxVBTCNP0hZDu3. -NF Team

  2. Eric K Posted on September 18, 2019 at 4:55 pm

    Eating saturated fat causes carbohydrate intolerance. Now that makes a lot of sense. NOT!

  3. Mark Pignataro Posted on September 18, 2019 at 4:56 pm

    I've been vegan for almost 12 years now. Thanks to going vegan, I was able to reverse type 2 diabetes. Dr. Gregor nutrition facts is the man. 🍇🍎🥥🌶🍈🍏🥝🥒🥦🥑🍐🍉🍊🍑🍆🍄🥔🍒🍋🍌🍓🥕🌽🍅🍍👍

  4. Nature Lover Media Posted on September 18, 2019 at 5:08 pm

    Thank you for exposing such trendy unhealthy diets as the fad Keto diet. Stick to eating your vegetables and fruit guys!

  5. Plant based life Posted on September 18, 2019 at 5:10 pm

    The whole point is not to get diabetes in the first place. Just eat better it’s not that hard. WFPB.

  6. Masha Nikulina Posted on September 18, 2019 at 5:26 pm

    There’s a reason vegan diets work to reverse diabetes, but keto diets don’t. Symptoms may be lessened, but it worsens the condition

  7. Pat's Public Health Posted on September 18, 2019 at 5:33 pm

    i have been waiting for this video for 2 years. finally . i must applaud the channel red pill vegan who has been raising awareness consistently. the nhs has rolled ahead low carb diabetes programmes literally training gps in prescribing low carb to diabetics and a gp called david unwin who takes the keto approach and calls himself the ‘low carb gp ‘ has won awards . more awareness of the reality of this fake ‘reversal’ of t2d is urgently needed in the uk

  8. Jean C Posted on September 18, 2019 at 5:34 pm

    I hope Dr. Berg watches this

  9. Peter Rabitt Posted on September 18, 2019 at 5:34 pm

    Keto doctors be like… Hey! Leggo my ego!

  10. Paws Posted on September 18, 2019 at 5:44 pm

    Can I ask an honest question? How does the body burn fat? Is it when there is no more glucose in the blood and liver left to use, forcing the body to burn fat? Is that process called ketosis or is it something else? If it is ketosis, then why is the keto diet bad – is it just because the keto process goes on too long? Am hoping someone with brains can help me, as all these competing diets and theories are so confusing!

  11. Khemistry IBMOR Posted on September 18, 2019 at 5:48 pm

    Thanks for putting the word out!
    Keto kills…slowly.

  12. Scott Williams Posted on September 18, 2019 at 6:07 pm

    keto is a life style you don't go back to the sugar and carbs ever that's if you don't want to shot insulin 3 or 4 times a day and you don't want to cut off a toe or a foot or get kidney problems it a choice most cant do it but some will.

  13. Elliot Smith Posted on September 18, 2019 at 6:08 pm

    So if keto is bad.. what is the healthiest alternative? What will help people eat until full/kill cravings and help binge eating disorder?

  14. Bob Schmob Posted on September 18, 2019 at 6:24 pm

    High fat diets.. meaning high fats from what??? Saturated fat? Ergo animal proteins and fats??? Ppl need to get it together, Dr. Greger included. Not all sugars are alike, not all carbs are alike, not all proteins are alike and not all fats are alike. Let's call it for what it is. A high animal fat and protein diet is what the studies looked at. A diet begging for a cardiac event, cancer and other diseases, in other words. Not a high fat (blanketing all fats) diet. Not a high fat/protein (blanketing all fats and proteins) diet. Can we get some actual facts and science without a side of confusion there nutrition facts?!?! Since all fats, proteins and carbs are not alike what about a vegan ketogenic diet? Hmmm?

  15. sami987 Posted on September 18, 2019 at 6:38 pm

    And the other day the biggest tabloid newspaper in Finland had huge headline about keto and how people lose weight on it. So sad to see because it will make thousands of people here try it for sure 😔

  16. Raul-Beniamin Tătar Posted on September 18, 2019 at 6:48 pm

    So eating a high carbs meal after eating high fat foods for a long time, or a week, or 2 days, or even after a single high fat meal, will cause the body to have a more intense response to that amount and quality of carbs than the body would have had to the exact same food if the person would have been eating high carbs foods for those various periods of time.

    Sounds to me like something very similar would happen if the roles were reversed. Going for a fat meal with a body that is used to carbs would make the body have a more intense response to that input of fat.

    I tend to believe that the body doesn't work in a random way. On the contrary, in always tries to adapt to everything that is happening, in which case it makes sense that a carbs or fat based homeostasis will react more intensely and adaptive if faced with a "foreign" macro nutrient amount and/or quality.

    So much debate over white or black when there're obviously endless shades in between.

    Everything I've said is, of course, just my biased opinion, biased by my own life experiences. Please consider that I've tried both, among others, the vegan diet and the keto diet. I found them both to be great. Not necessarily in a be-all and end-all way, but I've learned a lot of things about nutrition by trying to look at both with an open mind. Right now I feel like a balanced approach works for me. Most of the food in terms of volume and calories is definitely vegan, but there are also animal nutrients. Every day, no exception, I eat plenty of cruciferous vegetables, leafy greens, avocados, olives, macadamia nuts (joking, I wish I could afford to eat a few daily), other vegetables (ex: asparagus, tomatoes, eggplants and others), coconuts, nuts, seeds and berries. I also consume mushrooms, but not daily. My (almost) daily animal based food are: 2 eggs and a 100-150g piece of meat (usually from healthier raised and organic sources) and 2 times/week I eat quality salmon. Pretty much never processed foods (vegan or animal) and striving for no dairy. That being said, this is how my insight is biased, but please also consider that something that is biased it not necessarily wrong, or not in its entirety.

    Have a nice day !

  17. Selma Cat Posted on September 18, 2019 at 6:49 pm

    The amount of misinformation, hubris and down right stupidity on this page makes me want to bleach my eyeballs. I love you Dr Gregor, but no, just no. For those who want to do some research beyond YouTube videos…. Here is the link to all the trials and studies on Pubmed, although I'm sure it will challenge both cognitive dissonance and the average IQ of people of this page, knock yourself out. https://www.ncbi.nlm.nih.gov/m/pubmed/?term=ketogenic+diet

  18. truefuschniken Posted on September 18, 2019 at 6:54 pm


  19. luna57 Posted on September 18, 2019 at 7:00 pm

    @1:45 "With enough weight loss by any means, whether cholera or bariatric surgery, type 2 diabetes can be reversed." Dr. Greger has not done his research. Type 2 diabetes has been reversed DAYS after bariatric surgery…in at least one case, on the very next day. I know that…how come he doesn't? Obviously there's another mechanism involved and I think it bears more investigation.

  20. goku Posted on September 18, 2019 at 7:08 pm

    The is like a movie where you already know the ending. xD

  21. Bellybutton Man Posted on September 18, 2019 at 7:13 pm

    Your series on ketosis has been an absolute eye opener, amazing stuff.

  22. Chandra Posted on September 18, 2019 at 7:33 pm

    Conclusion: Ketogenic diet not good for diabetes.!

  23. Tony Black Posted on September 18, 2019 at 8:03 pm

    Great material/info! We need the hard truth. Awesome analogies too!

  24. Michael Riess Posted on September 18, 2019 at 8:14 pm

    The fallacy in this video (series) is the assumption that a high carb diet is “normal “. What if the default human diet is high fat? In that case it would be non-sensical to expect “cured” T2 diabetics to ever quit the keto diet.

  25. Dungster Tran Posted on September 18, 2019 at 8:15 pm

    This is very biased. They need to do study on long term keto with high quality meat and fats. Aka pasture fed grass fed grass finished meat

  26. Ricardo Borges Posted on September 18, 2019 at 8:21 pm

    Such nonsense, ridiculous.

  27. Beth Grant-DeRoos Posted on September 18, 2019 at 8:22 pm

    Have a friend who has been doing keto for a year and has lost a lot of weight but she has new issues like low iron and the inability to handle taking vitamin C that she didn't have before keto. Then there is the issue of increased cholesterol levels from all the high fat animal products that folks who do keto seem to not want to think about.

    On a side note Type 2 diabetes is highly preventable. Our son was born Type 1 and on insulin beginning as a baby. His pediatrician was SDA (Seventh Day Adventist) and we had just become vegetarian in the 70's (which was vegan/plant based is called today) and she noted abstaining from animal products was best for diabetics and non diabetics.

  28. Daniel Weber Posted on September 18, 2019 at 8:24 pm


  29. Andre Abreu Posted on September 18, 2019 at 8:26 pm

    No such thing as an essentially carbohydrate.

  30. dj121 Posted on September 18, 2019 at 8:29 pm

    Everyone eating a keto or any other kind of high fat low carb diet is a type 2 diabetic. They are just asymptomatic because they are eating almost no carbs

  31. Eman Name Posted on September 18, 2019 at 8:38 pm

    People are touting and raving about the ketogenic diet.. thank goodness you're shedding light on the truth.

  32. Dutchess' lips Posted on September 18, 2019 at 8:44 pm

    Thank you for confirming what I've been saying since I went vegan and started talking to Ketotards.

  33. bradyspace Posted on September 18, 2019 at 8:46 pm

    Vitamin C + Keto diet (olive oil based) + fiber will reverse diabetes. The "underlying" disease is clogging of the pancreas. Cholestoral clogging is like a scab on the wound. Whole Vitamin C fixes that underlying problem. Fiber clears whats left. Same reason diabetics have diseased feet just like scurvy.

  34. 1auntievenom Posted on September 18, 2019 at 8:47 pm

    Is this specific to type two, or does keto make both types worse?

  35. Kelly J Posted on September 18, 2019 at 8:48 pm

    Can you reverse the worsening of the condition by doing a vegan diet after long term keto? Will your glucose tolerance improve?

  36. Baraa H. Posted on September 18, 2019 at 8:49 pm

    Lol I love how everybody is impressed by this doctor and follow him blindly without understanding the context of the studies he’s presenting.

  37. rsully21 Posted on September 18, 2019 at 9:07 pm

    2:37 Small nitpick, but borrowing money will not make a bottom line look better . . . so the analogy doesn't really work. (Luca Pacioli invented debit and credit accounting to address those types of things.) A better analogy may be maintaining the appearance of a high standard of living by using credit cards, or cashing in your 401(k), or borrowing money from a loan shark. Just don't miss a payment.

  38. mrufino Posted on September 18, 2019 at 9:19 pm

    Thanks Dr. Greger. I was waiting for you and your team to bring us some light about the keto diets for a long time.
    But, what about fasting? I am vegan and I eat predominantly carbs instead of fats. But I do intermittent fasting (16×8) everyday and a 7 days water fasting two times a year. I even have keton bodies in my urine. I wonder if the observations you made about the keto diet apply to my case too.

  39. DoloSamurai1 Posted on September 18, 2019 at 9:42 pm

    We're gonna see a new generation soon of people who took park in this keto diet with major increase in heart disease and cancer. Especially these YouTube personalities who are pushing this diet and swear by it. Should be sued out the wazoo right a long with doctors and tv personalities pushing it.

  40. stephanie Posted on September 18, 2019 at 9:56 pm

    Dr Greger, can you please distinguish between omnivore keto and whole food vegan keto. In your earlier writings you've suggested vegan keto might be beneficial or safe. Yet many whole food vegan options are high in saturated fat, beyond just coconut and palm. I'm under the impression, not just a low saturated fat vegan diet is more health promoting, but a low fat diet in general, with the exception of adequate omega 3 intake, in terms of optimal cholesterol, heart and vascular health. If you could please discuss in detail, the optimal choices for overall fat and saturated fat intake, for those already adhering to a diverse whole food vegan diet, this would be so helpful.

  41. Coarsegold Guy Posted on September 18, 2019 at 9:57 pm

    You rock Doc.

  42. D Is Posted on September 18, 2019 at 10:02 pm

    More BS from Greger. Low carb for the win. My Mom got rid of her pre diabetes and arthelerosclerosis with low carb.

  43. Karen M. Posted on September 18, 2019 at 10:03 pm

    Just say no to keto! I am reminded of when I used the app Fat secret, many keto adapted, and carb sensitivity so bad one woman lost the initial control she managed to get over her blood sugar and fretted about eating g a serving of strawberries! Because it would reek havoc on her BS. Then ALL the keto dieters resorted to intermittent fasting when they would just lose all control of BS or weight loss stagnated. Shame. Shame.

  44. tamcon72 Posted on September 18, 2019 at 10:20 pm

    4:44 is the crux of the matter, yet there are people in the comments sticking their fingers in their ears and yelling that if you just stay on keto forever–in opposition to the research presented in this video–all will be fine, nya–nya-nya! They have the neurological permanence of a baby's level. TFP !

  45. Swiss Lady Driver Posted on September 18, 2019 at 10:21 pm

    Take home message: avoid carbs.

  46. Moncef Ar Posted on September 18, 2019 at 10:57 pm

    Keto diet got wrecked like never before, by sound science, in this 7 vid series.

  47. ggzh a Argue With Everyone Posted on September 18, 2019 at 11:09 pm

    Expect keto-Minions attacking this video without any scientific evidence.

  48. matthew Cardinal Posted on September 18, 2019 at 11:28 pm

    I don't know how you would ever lower your blood sugar, on carbs, for me it never worked out, you can eat green vegetables, with no worries, and we don't eat humongas amounts of fat. diabetes is an incidiouse desease. And it does not make sense that you would put a whole lot of the wrong carbs into your body to control it. And if you don't preserve your insulin by fasting, you will run out of it and become T1 Then you have real problems!! insulin just keeps you fat, and that will, in the end lead to more insulin, and you will end up dying, albeit over time. T2 and T1 is like a dog chasing it's tail, a merry-go- round. And you have to ask yourself, if fresh fruit and vegies is the way to go, like the food pyrimid, then why do we have an epidemic of this desease!!! costing governments around the world billions.

  49. Tommy Charles Posted on September 18, 2019 at 11:30 pm

    Keto saved my life. Get over it. 😉 Fat is not harmful. Fat + refined sugar at every meal is harmful.

  50. Jeff Novack Posted on September 18, 2019 at 11:43 pm

    " Participants had a mean daily carbohydrate intake of 36 ± 15 g. Reported mean HbA1c was 5.67% ± 0.66%. " https://www.ncbi.nlm.nih.gov/pubmed/29735574
    Management of Type 1 diabetes with a low carb diet also lowers A1C and reduces health complications.

  51. Ginger's Keto In The UK Posted on September 18, 2019 at 11:53 pm

    Indeed it does. I was Pre-diabetic and given 6 months before going on metformin when my GP suggested keto. 6 years and healthiest I have ever been. Finally, I realised being constantly drowsy DIDN'T HAVE TO BE THE NORM!!!

  52. Nico Collu Posted on September 18, 2019 at 11:55 pm

    This is such a powerful playlist of Keto videos!

  53. Joseph Larsen Posted on September 18, 2019 at 11:59 pm

    wait, isn't diabetes resistance to insulin? Why does dr greger say that it's resistance to carbs? I know it's pretty close to the same thing, but it's really not the same thing.

  54. Alan Angel Posted on September 19, 2019 at 12:08 am

    Carbohydrate intolerance. That's a new one on me. Gets around having to mention insulin resistance I suppose. …

  55. dj121 Posted on September 19, 2019 at 12:11 am

    "There are no essential carbs. You don't need them to survive" (Average Keto person). Well, you don't need arms or legs to survive either. They are not "essential"

  56. Nate Posted on September 19, 2019 at 12:18 am

    Rip to all my keto friends out there, and I have so many of them and I'm the only vegan in my group without health problems

  57. Kat Kameo Posted on September 19, 2019 at 1:01 am

    Spends more time on analogies than facts…2 days on keto, 1 week on keto, few weeks on atkins (not keto btw)….it takes longer than that to get into ketosis. Lots of flowery talk, little facts and no long term study results.

  58. Scott Williams Posted on September 19, 2019 at 1:16 am


  59. Blue North Posted on September 19, 2019 at 2:37 am

    Amazing job! Thank you Dr. Greger and to the rest of the team! 🙂

  60. Karl Cramer Posted on September 19, 2019 at 3:00 am

    How about this analogy, NO2 for racing? It makes the car go faster but it is bad for your engine.

  61. Steve T Posted on September 19, 2019 at 3:00 am

    Great reference for curing diabetes is Dr. Walter Kempner who practiced medicine in the 1940's.

  62. Brock Lee Posted on September 19, 2019 at 3:37 am

    I did the Keto diet for 7 months. I lost 50 lbs. I thought it was incredible at first! I felt lean and the compliments kept me going.

    Trouble in paradise started when I had a minor operation. My blood had trouble clotting! I small procedure turned into a very painful hematoma because I was Vitamin K deficient for the past 7 months despite supplementing!

    I started having chest pains and knew my heart was getting to its limit with all the animal protein and fat. Months of fearing bananas but embracing butter in my coffee was taking its toll.

    Then I noticed that as I tried to transition off, I would get severe headaches when I ate a more carb heavy diet. I knew I had done something to my body that was not healthy.

    My body was able to start processing carbs normally after a transition period of a couple months. I am glad I stopped when I did (better sooner). I hope others stop this unhealthy diet and move to a healthier alternative before it’s too late.

  63. Ryan Finchum Posted on September 19, 2019 at 5:36 am

    That's not how the club works..

  64. jbcola74 Posted on September 19, 2019 at 6:12 am

    Not really objective, 80% fat is not a good keto diet, where is a double blind study with a 2/3 vegetables and 1/3 meat+fat diet?? This video is biased for me, i know people who had a diabetes risk and got rid of the problem with a real keto diet

  65. MsAstroStone Posted on September 19, 2019 at 6:16 am

    After a year of Keto way of eating my primary care physician said on 9-9-19, "You have cured your Diabetes." Type 2 Diabetes. This is after doing full panel blood tests every 3 months.

  66. at me Posted on September 19, 2019 at 6:22 am

    Thank you for existing Dr.Greger 🌷

  67. Pascale Devalet Posted on September 19, 2019 at 7:19 am

    Make a 3 days Diet video. So people can try. And spread the world that you are right.

  68. Vitamin B Posted on September 19, 2019 at 7:39 am

    Eric Berg pretends he never saw this video.

  69. Carel Joubert Posted on September 19, 2019 at 9:49 am

    Amazes me how each person in each camp firmly believes he/she is 110% right and other camp is completely crazy. Reality is there are successes in both camps. Most people can't debate meaningfully.

  70. BobbyJobling Posted on September 19, 2019 at 9:51 am

    What BS video. Well done in scamming your followers.

  71. Manny Radzky Posted on September 19, 2019 at 10:48 am

    Sorry, but I have been high fat low carb for 3 years, all my biomarkers are better. And never felt better in my 61 years of life. For me, and the 100 of thousands of others, it corrected blood sugar. For me, you’re wrong.

  72. Paul Palma Posted on September 19, 2019 at 10:58 am

    NutritionFacts.org When Fasting, blood ketone levels also rise as we start to live off body fat in ketosis. Does this mean fasting raises Acetone levels too and hence MG's and AGE's or does the fasting state somehow prevent this? This is an important question with the increase in fasting use as a healing mechanism, especially for diabetics. Excellent video.

  73. Christian Lee Posted on September 19, 2019 at 11:03 am

    This is misleading. I agree that keto makes you more intolerant to carbs because of the increased fat intake, but on the other side of the spectrum, a high carb low fat fat makes you just as intolerant to fat. So why not eat a HCLF diet? High carb low fat diets cannot be healthy because they require you to lower a macronutrient (fat) that is crucial for good health

  74. mark m Posted on September 19, 2019 at 11:47 am

    Dr., if an alcoholic quit drinking for a week and then got drunk on half the amount he used to, I would not say that quitting made him worse.

  75. kgdblade Posted on September 19, 2019 at 12:37 pm

    Well, I followed the 'links to scientific resources' and it leads to the same list of videos by the channel owner. Tried to look at channel owner's credentials apart from the letters he puts behind his name and found no description of his training, medical specialty or science based training. This would seem like another hach channel pretending to be speaking for science. Touting evidence based philosophy while not providing evidence. The concepts behind this video are completely off base.

  76. señor pepper Posted on September 19, 2019 at 1:19 pm

    dr berg vs dr gregor.

  77. Kreassiva Posted on September 19, 2019 at 1:26 pm

    5:25 I found this part with a significant higher complexity. Please like if you would like Greger to go deeper into this topic for us 'debaters' to have a better informed stronger arguments.

  78. southern zen Posted on September 19, 2019 at 1:37 pm

    I have always appreciated your videos but it seems clear on this one you may be misleading folks a bit…on your own studies it shows an initial spike in blood sugar and then a massive reduction over time on a keto diet (btw you can also do keto vegan or vegetarian so using 'keto diet' is a bit confusing as well)…I would recommend Dr. Ben Bikman to those confused. Still love what you're doing just consider being a bit more truly objective.

  79. southern zen Posted on September 19, 2019 at 1:39 pm

    …and AGE's are the result primarily of eating cooked sugar AND fat I believe??

  80. Andrew G Posted on September 19, 2019 at 1:40 pm

    Thank you for all your videos!

  81. carson zhang Posted on September 19, 2019 at 1:49 pm

    what is carbohydrates intolerance ? You made the words doctor?

  82. David Clayton Posted on September 19, 2019 at 2:01 pm

    what about type 1?

  83. Lisa Lev Posted on September 19, 2019 at 2:02 pm

    You’ve really disappointed me with this one, Dr Gregor. Not necessary to go there. I just don’t plan to ever go back to downing a bunch a carbs. Does it bother anybody that I accept that this is what I need? Kinda like an alcoholic deciding they won’t go back to drinking. Please don’t tell me that injecting insulin is a better option!

  84. Kain Riot Posted on September 19, 2019 at 2:19 pm

    All Fruit & Veg is Carbohydrate, All Carbs are turned into Glucose so Yh keep eating vegan loool 💩💯 This guy needs to Stop!

  85. Kain Riot Posted on September 19, 2019 at 2:21 pm

    Story doing the rounds today about South American Indigenous people who are some of the healthiest on Earth who till recently had no Heart disease! Worth a read! & guess what they eat Meat looool you vegans are Lost af 😂👌🏽

  86. Bryan Smith Posted on September 19, 2019 at 3:29 pm

    Wonder why the eskimos  who eat no carbs only seal,whale, and fish live so long?

  87. Shack Posted on September 19, 2019 at 4:18 pm

    Wait, you said saturated fat. What about those on Monounsaturated Fat Keto diets?

  88. Mic the Vegan Posted on September 19, 2019 at 4:23 pm

    No more unsightly finger stub!!!

  89. Joseph1NJ Posted on September 19, 2019 at 4:34 pm

    The latest study on the subject followed 135,335 people age 35 to 70 in 18 countries for more than seven years. Published in 2017, this research found that people who ate the most fat (an average of 35.3 percent of calories) were 23 percent less likely to die than those whose fat intake was lowest (an average of 10.6 percent of total calories). And it didn’t matter whether the fat was saturated, polyunsaturated or monounsaturated. The higher fat diets also were associated with a lower risk of stroke. The same study found that people who ate the most carbohydrates (77 percent of total calories, including carbs from fruits and vegetables) had a higher risk of dying (not necessarily of cardiovascular disease) than those who ate the lowest amount of carbs (46 percent of total calories).


  90. A S Posted on September 19, 2019 at 4:45 pm

    Show this to Dr. Berg and his trash science, backed up by 0 research.

  91. Yakov Butterfield Posted on September 19, 2019 at 5:25 pm

    How about; "The Silence of the Lambs Diet"
    Dr. Hannibal Lecter: I ate his liver with some fava beans and a nice Chianti.

  92. Hot Viral Posted on September 19, 2019 at 5:33 pm

    Dr. What do you think about iron pan? I don't know if I am Iron deficient but I'mnplanning to buy one. What should I consider? PLEASE answer or make a video on it because I urgently need to buy a pan.

  93. Gold Gold Posted on September 19, 2019 at 7:20 pm

    ❤️ Thank you so much dr.greger and team, this is coming just as I need to hear it. Thank you!

  94. monemori Posted on September 19, 2019 at 10:06 pm

    This editing is very engaging!

  95. kbkesq Posted on September 20, 2019 at 4:30 am

    Time to debate Jason fung the keto kwack. Or Shawn baker who is carnivore keto and has 127 glucose.

  96. yangtse55 Posted on September 20, 2019 at 8:21 am

    Check out the Newcastle researh – unclog your liver and pancreas and reverse type 2 and massively improve type 1.
    No point avoiding "carbs" for life if your liver remains clogged with lard.

  97. yangtse55 Posted on September 20, 2019 at 8:36 am

    Having just had a brush with type 2 myself, I now see that the KETO loons are using diabetes as an argument against anyone eating carbs ever.

    Shame on them – well at least the ones with medical credentials – not the meathead gym bros who can't help themselves…
    Keto is for people who have an unhealthy liking for barbecue and are going to die early and painfully anyway.
    And those who think the "Cardassian" "no-neck" look is a good one (Shawn Baker)

  98. Mike R Posted on September 20, 2019 at 11:15 am

    I wonder if Eric Berg is smart enough to have given up on Keto himself personally and is just pretending at this point for his channel.