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Disadvantages of Keto diet

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  • Posts: 800 Member

    Who do you think would understand a part of nutrition more, someone with a masters degree in nutrition or a doctor specializing in something that is not nutrition?

    HA! There isn't any nutrition in fructose. :wink:
  • Posts: 51 Member
    There really aren't too many cons to stop you from trying. I think the pros far outweigh the cons.

    My main con was that my fiber intake was low which made toilet time very hard (excuse the pun). But with psyllium husk added in my diet that was sorted. Funny thing was I never really had good fiber in my bad diet anyway? Not sure why this became an issue with keto.

    So called keto flu is different from person to person but there are ways to help with this.

    It has helped me shed 10kg since the beginning of the year so I stand by it. More info on it here. The worst thing that can happen from trying it is that you find it doesn't help you and you revert back to another diet.
  • Posts: 39 Member
    Keto is an amazing diet. There's a lot of research to back it up (do a search for peer reviewed studies on ketogenic diet and alzheimer's, for example). IMO, it's the perfect diet.

    However, it's a massive commitment. It can be expensive to buy enough good quality meat to keep you satiated for all your meals. If you eat over a certain amount of carbs (varies depending on the person), you will be kicked out ketosis. It's a long-term thing without much room for messing up.

    The reality is (again, peer-reviewed studies) you can lose just as much weight without cutting carbs. So it depends on your reasons for doing it. I'm not trying to discourage you, because I'm a big advocate of keto, but I don't follow it myself because personally I find just slightly lowering my carbs, and staying within my calorie allowance, is working just fine.
  • Posts: 800 Member
    sijomial wrote: »

    Yes fructose is empty calories - agreed. As is glucose. Both have their place in an overall diet, both come with dangers of over consumption. Both have their positive uses as well beyond personal taste - such as carb gels for endurance athletes which are commonly a 2:1 ratio of maltodextrin and fructose to maximise energy absorption. Both have strong and obvious negatives in that they are calorie dense.
    Again as I keep saying the overall diet and lifestyle are important. Obviously slurping carb gels sitting on my bum would be foolish, sitting on my bum cycling 100+ miles then they are very handy and totally appropriate.

    Processing by the liver is not problematic in a healthy individual. It's simply one of the functions of your liver and digestion as a whole.

    Your keep using the word toxic but keep ignoring that dosage needs to be stated. You can say water is toxic remember.

    You are mistaken about HFCS. Refined sugar and so-called natural sugar are chemically identical and your body doesn't know the source and cannot process them differently. That fruit comes packaged with "good stuff" doesn't mean the sugar in them is any different at a chemical level.

    Your bias is making you focus on fairly irrelevant parts of Aragon's blog. Extrapolating small survey data on children to try to prove a hypothesis for an entire population is incredibly bad science. Unbelievably bad in fact for someone educated to Lustig's level - which makes me doubt his motives. Anyone with an open mind would expand the data analysed and see if the correlation continues. Simply put the correlation falls apart.

    I'm glad you have found something that works for. I've found something entirely different that works for me - there's many routes to health.

    But please do stop the drama llama stuff of being "shocked" that someone has different views to you. Also don't build straw man arguments - I'm not advocating "continued high use". I would prefer sugar in general was added less as I prefer the taste of the vast majority of foods unsweetened or very moderately sweetened.

    You can debate without drama or putting words in people's mouths.

    What? Without glucose we die. Glucose is a lot more than empty calories. Even in ketosis people have to have some glucose. In the liver glucose mostly is combined into glycogen which is very different with what happens to something like fructose. Both are carbohydrates and very similar but they are not the same.

    Anyway lets be clear, you came in and basically pushed Aragon's blog. I pointed out just a couple of problems in Aragon's blog and you just say they were irrelevant? That is exactly what Aragon was doing to Lustig's presentation.

    Alan Aragon is attacking a presentation, he isn't even referring to Lustig's research. Now you attack Lustig too based on what? Are you an endocrinolist or expert in organic chemistry? I'm not such an expert but I know enough to see that Aragon's arguments are full of holes too. It remains for other research to either support Lustig's research or to refute it. That is how science works. It doesn't matter what bloggers think.

    Lustig showed that toxicity pathways and talked about additional research that shows medical causation between refined sugar consumption and metabolic diseases. He didn't deal with how with the issue of how much is safe. He didn't even claim they had scientific proof. Claiming that makes his research invalid is absurd.

    It wasn't my intent to put words in your month, but clearly you support Aragon's views by the amount of times you've been posting the link to that blog. By doing that it seems you are just trying to create confusion. Lustig's recommendations at the end of his presentation are basically, don't drink sugary drinks and wait 20 minutes before taken additional food. What is so horrible about that?
  • Posts: 38,459 MFP Moderator
    caimay199 wrote: »
    Keto is an amazing diet. There's a lot of research to back it up (do a search for peer reviewed studies on ketogenic diet and alzheimer's, for example). IMO, it's the perfect diet.

    However, it's a massive commitment. It can be expensive to buy enough good quality meat to keep you satiated for all your meals. If you eat over a certain amount of carbs (varies depending on the person), you will be kicked out ketosis. It's a long-term thing without much room for messing up.

    The reality is (again, peer-reviewed studies) you can lose just as much weight without cutting carbs. So it depends on your reasons for doing it. I'm not trying to discourage you, because I'm a big advocate of keto, but I don't follow it myself because personally I find just slightly lowering my carbs, and staying within my calorie allowance, is working just fine.

    There are only a few studies on alzheimers and keto, and they were all preliminary research. You will actually find as many studies with plant based and Mediterranean.
  • Posts: 800 Member
    edited July 2016
    sijomial wrote: »

    All I did was post the counter argument to your suggested reading/viewing. There's a lot of lurkers that don't contribute to threads and I think balance is important.
    You personally can take it or leave it - I really don't care but neither you or I get to choose what other people post in an open forum. You won't convince me and I won't convince you.

    But again you have gone off at a tangent and suggesting I think glucose and fructose are the same. It should be blindingly obvious I know the differences.
    And you put words in my mouth - again. Stick to what people say and not what you think they say. I didn't say his research is invalid, I actually said his methods are very bad science.
    Frankly your debating style needs some work! (Look up "listening to respond" - it's very educational.)

    You push your beliefs and I don't attack you for it - I just completely disagree.
    I also completely disagree about Lustig's credibility - but you are welcome to your opinion.

    Yes I do think Alan Aragon is a great resource on nutrition in general, his research reviews are really well considered, in my opinion.

    I'm not going to respond further as I'm conscious this debate is not in line with the original OP and don't want to derail further.

    I most certainly did not put words in your month in my last post. Perhaps you should proofread what you post. Additionally I haven't read any of Aragon's other posts, as I wasn't positivity impressed by that post that you linked. That one was enough. I've actually listened to a lot of positions from different viewpoints. Those included some of the interviews with Dr. Atkins who actually presented himself very well except with talking about government conspiracies. Probably was a hot button of his.

    I can't image anyone seriously taking issues Dr. Lustig's presentations unless they have some interest in protecting the status quo. He was pro exercise, pro eating sensibly and didn't bash diets like LCHF, at least in two presentations I watched. For record, Dr. Lustig was presenting things exactly as a scientist should. It isn't bad science to present findings or ideas to peers, it is part of the scientific process.

    If you want to present a counter argument you shouldn't direct it personally and you should stop with the personal attacks. This type of stuff is another disadvantage of ketosis based diets, at least at this site.
  • Posts: 6,412 Member
    megan_h26 wrote: »
    Thank you. I am almost ready to make a decision. Any new idea?

    @megan_h26 Did you decide what to do? To me the most important question to ask yourself is this: Is this way of eating something I can sustain? If you like the foods on your plan and can eat those foods in portions that help you attain and maintain your goals, then you have found the right plan. If you are constantly wishing for food not on your plan, it will be hard to sustain, and a food plan that includes those foods would be better.

  • Posts: 8,911 Member
    dykask wrote: »

    I most certainly did not put words in your month in my last post. Perhaps you should proofread what you post. Additionally I haven't read any of Aragon's other posts, as I wasn't positivity impressed by that post that you linked. That one was enough. I've actually listened to a lot of positions from different viewpoints. Those included some of the interviews with Dr. Atkins who actually presented himself very well except with talking about government conspiracies. Probably was a hot button of his.

    I can't image anyone seriously taking issues Dr. Lustig's presentations unless they have some interest in protecting the status quo. He was pro exercise, pro eating sensibly and didn't bash diets like LCHF, at least in two presentations I watched. For record, Dr. Lustig was presenting things exactly as a scientist should. It isn't bad science to present findings or ideas to peers, it is part of the scientific process.

    If you want to present a counter argument you shouldn't direct it personally and you should stop with the personal attacks. This type of stuff is another disadvantage of ketosis based diets, at least at this site.

    Lustig doesn't know jack.

    https://www.youtube.com/watch?v=Vybw1PpO2GY
  • Posts: 15,357 Member
    dykask wrote: »

    I most certainly did not put words in your month in my last post. Perhaps you should proofread what you post. Additionally I haven't read any of Aragon's other posts, as I wasn't positivity impressed by that post that you linked. That one was enough. I've actually listened to a lot of positions from different viewpoints. Those included some of the interviews with Dr. Atkins who actually presented himself very well except with talking about government conspiracies. Probably was a hot button of his.

    I can't image anyone seriously taking issues Dr. Lustig's presentations unless they have some interest in protecting the status quo. He was pro exercise, pro eating sensibly and didn't bash diets like LCHF, at least in two presentations I watched. For record, Dr. Lustig was presenting things exactly as a scientist should. It isn't bad science to present findings or ideas to peers, it is part of the scientific process.

    If you want to present a counter argument you shouldn't direct it personally and you should stop with the personal attacks. This type of stuff is another disadvantage of ketosis based diets, at least at this site.

    Wat-Meme-Old-Lady-10.jpg
  • Posts: 800 Member
    edited July 2016
    My point has been clearly made. :*

    In the meantime I'll keep my low refined sugar approach as it is easy and really working well for me. Before I did this, raging hunger was a major issue that prevented me from making progress.
  • Posts: 15,357 Member
    dykask wrote: »
    My point has been clearly made. :*

    In the meantime I'll keep my low refined sugar approach as it is easy and really working well for me. Before I did this, raging hunger was a major issue that prevented me from making progress.

    I am so lost as to your opinion in this thread. You have previously posted that you are anti-keto because you like fruit, especially fruits that are considered high in sugar (fructose). But, you are anti-sugar.
  • Posts: 38,459 MFP Moderator
    dykask wrote: »
    My point has been clearly made. :*

    In the meantime I'll keep my low refined sugar approach as it is easy and really working well for me. Before I did this, raging hunger was a major issue that prevented me from making progress.

    I have low added sugar in my diet, but I am higher carb. Even with 250g of carbs (half sugar; I eat 5-6 servings of fruit a day), I am rarely hungry. So I wouldn't assume those of us not doing low carb are 1. always hungry or 2. always eating junk for.
  • Posts: 51 Member
    psulemon wrote: »

    I have low added sugar in my diet, but I am higher carb. Even with 250g of carbs (half sugar; I eat 5-6 servings of fruit a day), I am rarely hungry. So I wouldn't assume those of us not doing low carb are 1. always hungry or 2. always eating junk for.

    We are all different and we all use food differently. I wouldn't be able to eat the way you do because I would be starving and most probably putting on weight. Whereas on a keto (LCHF) based diet I find that I'm satiated whilst losing fat around my middle. Can't be too bad if I'm losing weight / fat around the middle whilst simultaneously lowering my Trigs, increasing my HDL and just my overall feeling. Have my blood tests every 6 months.
  • Posts: 211 Member
    It is completely unsustainable for me. I also have cancer/kidney/liver/thyroid issues that were made worse by it... and I have hypoglycemia. No go. I have no intentions of ever trying that again for as long as I did. I have lost a lot of weight just weighing my food and eating at a deficit.. with no restrictions. I have had Chinese food, birthday cake, rice, crisps, cupcakes, a soda, fruit, bread, and cookies since I started.
  • Posts: 51 Member
    psulemon wrote: »

    Not saying lchf is bad..its the insinuation that not eating that way is somehow ineffective and somehow we are all starving due to insulin. I fully support every way of eating but keto/lchf is in now way any more superior of a diet than plant based or iifym or any other (outside of personal preference). And regardless of the diet you follow, you can store fat or burn fat, even if you are only eating 2 meals or 8 meals. Why because all diets adhere to the energy balance equation.

    I never said my way was the right way. Just explained why I'm different to you and couldn't eat the way you do. Eating keto / lchf for me is very sustainable and helps me keep on track for my weight loss and has helped sort out my blood tests. I eat more veggies now than I have ever eaten and I generally feel healthier. Each to their own.

    I have a friend that is vegan and doing really well but for me I couldn't do it. Wouldn't be able to sustain it.
  • Posts: 13,049 Member
    Oh goodness that's scary! :o

    I hope your kidneys can recover :worried:

    http://www.healthline.com/health-news/keto-diet-is-gaining-popularity-but-is-it-safe-121914#6
  • Posts: 3,670 Member
    megan_h26 wrote: »

    So if I still get headaches or other adaptation symptoms after two weeks then I should stop it right?

    The adaptation can take longer than two weeks. If you eat extra salt and drink enough water, you might not have a problem adapting. I didn't.
  • Posts: 800 Member
    auddii wrote: »

    I am so lost as to your opinion in this thread. You have previously posted that you are anti-keto because you like fruit, especially fruits that are considered high in sugar (fructose). But, you are anti-sugar.

    I'm anti added refined sugar. Sugar can't be completely avoided but we don't need to add more or consume it in a form that is rapidly absorbed. So while I will eat fruit I'll avoid fruit juice. The reason is I do believe fructose is probably too high of concentrations in juice and sugars in liquids are absorbed very quickly into the blood.

    As people have pointed out, toxicity is often about the dosage. Eat an apple and over the next 90 minutes about 10 grams of fructose hit your liver. Drink a glass of apple juice and over the next few minutes 25 grams of fructose hit your liver. Probably more than a 10x difference in dosage over time.

    Whole fruit has fiber and lots of other nutrients that justify the risks caused by fructose. Also some fruits are vital to me because the reduce the impact of sodium, for example a banana a day.

    Generally I'm mostly avoiding processed foods that have added sugar. That is actually pretty easy to do in Japan, I think it would take a lot more work in the US.

    The ketosis diets are much more restrictive. But I think the restrictions on carbs forces people to avoid adding sugar. So the diet benefits from that. I'm not really anti-ketosis, I just think it is difficult to achieve, hard to maintain and isn't necessary for weight loss.

    In my mind I've have about 4 groups of foods for sugar:
    AVOID 100% - sugar in liquids
    Mostly AVOID - processed foods (I make an exception for peanut butter and chocolate in small amounts)
    RARELY - deserts
    OKAY - Foods with fiber and without added sugars.

    I may play around with cutting fruit at some point, but currently my hunger is controlled and I'm losing fat so I don't see the need to do that right now.
  • Posts: 800 Member
    psulemon wrote: »

    I have low added sugar in my diet, but I am higher carb. Even with 250g of carbs (half sugar; I eat 5-6 servings of fruit a day), I am rarely hungry. So I wouldn't assume those of us not doing low carb are 1. always hungry or 2. always eating junk for.

    Not sure how you see any such assumption. I live in Japan, avoiding carbs really isn't an option. Avoiding added sugar is an option. Personally I don't think that carbs in general contributed to obesity, most people simply can't eat enough carbs to become obese. Eating carbs with lots of fats and sugar added, that is a different issue.
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