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it’s time for the weekly Q&A so what I do in this video is I go through the previous week’s videos and I compile a list of questions that have come up in the comments section and what I do is I sit here and I answer them at one spot so what I do is I pick the most thought-provoking questions or questions that I think people would really like to hear some answers to and that way I can just put it all in one video so that people can just know what to expect on a weekly basis when I answer these questions it’s also to encourage you to ask questions or think outside the box so whenever I post videos comment ask questions and sometimes I won’t just ask to have questions out here I’ll actually do comments that people have nice comments or interesting stories I’ll include them as well so let’s go ahead and dive right in to the first video so this is from last week’s video so the first video was does Kido slow down or increase your metabolism a very interesting video actually breaking down the true science of what happens at the ketogenic diet and your resting metabolic rate if you have any question about it whatsoever whether the ketogenic diet is slowing down your metabolism or not you’re gonna want to check this video out but also something really good to give our to your family that might be questioning your low-carb lifestyle so this first question comes from Mark al-tohra that means one meal a day every day won’t slow down our rmr as long as it’s on a ketogenic diet right because you mentioned that doing one meal a day on a daily basis could decrease the RMR and thus we shouldn’t do it too often friends let’s go back to 16 8 every other day that’s a good point so I have talked about how when you intermittent fast every day or when you duo mad diet every day you do run the potential of slowing down your metabolism but slowing down your metabolism and affecting your resting metabolic rate although somewhat similar also have two kind of different components resting metabolic rate takes into account the amount of calories that you burn at rest whereas your overall metabolism is a little bit more about like how many calories you can consume without gaining weight so there’s kind of a little bit of a gray area but I see your point the point is is that the ketogenic diet would definitely give you more flexibility with one meal a day definitely right there Genaro Scotty says Thomas why is there a lot of info going around about keto shutting down hormone levels in men over 45 those making it very hard to lose the last remaining but a stubborn body fat what is the age correlation what changes over 45 I don’t know where that’s coming from I’ve heard a couple people talk about them we’ve dug into it there’s nothing going on honestly if anything helps the LH FSH levels and helps support healthy testosterone levels so I think it just could be some fake news that’s out there right now to be completely honest but I’ll look into it more Kari score says isn’t it different for women than men because of the hormone fluctuations yes it is but not too much you see women have to be a little bit more careful with their thyroid cruciferous vegetables things like that also any diet fluctuation in women is going to have a more dramatic effect than it would on men like just because there’s so many different moving pieces for women that aren’t there for men we have to be concerned with estrogen pressed rejent progesterone thyroid other things that we don’t have to be as concerned with with men so yeah you just want to be cognizant of that in fact I have a video coming out specifically on keto for women so that might be a good one for you you’re right but says hi TDL thanks for the great video question what are the benefits / drawbacks of a slow metabolism so long as you don’t overeat I like the way that you put that honestly there isn’t a bad bad side to a slow metabolism if you’re not overeating of slower metabolism means less metabolic stress in your body it’s kind of like I’ve said before like it actually is a survival of the fittest thing if you have a slower metabolism it means that you can get by with less I think that’s a good thing so yeah good question next video was your thyroid on keto and intermittent fasting common question that comes up is am i destroying my thyroid by going on the keto diet well I answered that question fully in depth so make sure you check out that video after you watch this Q a Christian Trevino says hi Thomas what if you don’t have a thyroid but you supplement with synthetic thyroid hormone Christian then it’s not going to matter because you’re at natural homeostasis all the time so you’re artificially or exogenous Li setting your thyroid level so you’re fine because it’s just gonna be whatever medication you take you may want to talk to your doctor about getting offs in synthetic and see if there’s a natural replacement but again it all comes down to your relationship with your doctor Alex Smith says why pecans and macadamia nuts are so addictive I think it’s just cuz they taste good man I don’t know if there’s any addictive components to them I just had to include that because I agree they are addictive Sarah mederi says I’ve read a lot about goitrogens vegetables having a negative effect on the thyroid yet many of them have so many nutrients many great keto carbs substitutes like cauliflower rice and broccoli are made of them and I find myself eating these vegetables often do you think that I should it should be an actual concern if I’m hypothyroid I always took them and I know that’s supposed to be better but I wasn’t sure how back this concept is another topic I was wondering our nightshades well let’s just go ahead and I’m just gonna talk about the cruciferous than quite respectable as long as you’re eating them in moderation you’re okay honestly and usually it has to be raw that’s gonna end up causing an issue so you’re gonna be fine honestly the ketogenic diet adds a layer of protection from that too so people think it’s the opposite but generally speaking unless you have a specific reason or possibly even Graves disease where it’s hyperactive it’s not a whole thing a whole lot stuff to worry about there KITT Wilson says how it affects Graves disease okay so the ketogenic diet can affect Graves disease in a positive way because it actually can lower the amount of the available teeth or not be available but the active t3 while still keeping your t4 stabilized just the reduction of carbs alone ends up reducing thyroid simply because glucose takes thyroid hormone to metabolize so without that your thyroid hormone can reduce so it actually could work out great for you next video was does your blood sugar matter on keto and fasting okay the reason I said this is because people tend to think that blood sugar goes to zero when you’re on keto like no it doesn’t your blood sugar still stays you know at its normal range it just might come down a little bit so anyway this was all about the blood sugar mattering so Rosanna DHE says Thomas would you suggest measuring your a1c rather than daily glucose or will the results be similar always measure a one C but you definitely want to look at your daily glucose tubes that tells you are where you are at that point in time tk-421 PSS says Thomas thanks for the video as always I know it’s relative but what numbers would you consider being a large blood sugar spike from normal around mid 90s honestly I think anything over 95 is a pretty good spike but I tend to spike over a hundred hundred and ten when I’m on keto if I eat the wrong thing so again it is all relative so it’s really hard to answer that next question Ryan Blaser says so what about the gki glucose ketone index okay all I’m gonna say is that I posted a video on that and so at the time of this recording it’s literally going out today so you gonna check back on my channel and look for the video that talks about how to measure your overall fat loss on keto and that’s the gki video a little voice says high blood sugar causes damage to blood vessels in neurons which is why people with diabetes end up with nerve damage but what is the impact of high insulin is it also damaging well high insulin definitely makes you can’t lose weight high levels of insulin make it so you don’t have high levels of glucagon which actually allow AMPK which is what allows different substrates to be used for energy so you basically never be able to lose weight so chronically high levels of insulin are not a good thing okay then we’ve got the next video how to build muscle with fasting the ultimate guide this was a cool twist this was how I wanted to put something together it showed how you can strategically lay out your day to do the ketogenic do the fasting diet while still being able to build muscle because honestly there was a specific approach so go check that video out but the first question comes from Christie O’Quinn I break my 18 hour fast for hours after a workout is four hours after workout too long yes you should be breaking your fast immediately after your workout in that case a little voice says with this mechanism be the same if underweight for example if clinically underweight due to sarcopenia but now restoring health would it be beneficial to add extra protein in this case when not fasting yeah it definitely wouldn’t could help you out my sterling says shouldn’t I wait for an hour to after workout before eating or just only if I want to burn more fat and not build more muscle great question correct if you want to burn more fat you want to ride the wave you’ll continue to burn fat and burn some calories up after the workout but if you’re trying to build muscle you want to get it right when your insulin sensitivity is high so I’d say within 60 minutes ashley Dawson says is there anything you can do to ensure that performance in the gym doesn’t suffer while you’re fasting for me there’s a big drop-off especially if I start feeling hunger pains while working out okay you got to remember that it’s all relative it’s all about your body’s adaptation to stress if your workout is harder then it’s relative you’re still having a hard workout that’s getting you the desired stress adaptation outcome so then when you do eat and you workout when you do eat you’ll be exponentially stronger so it’s all relative it’s like what are you after you after like you have to compare apples to apples like strength when you’re fasted strength when you’re fed okay endurance when you’re fasted endurance when you’re fed you can’t compare them to each other because they’re two different worlds but if you progressively get yourself stronger in the gym in a fasted period you can see probably a linear increase in your strength in a fed state in the gym if you were to progress it in order to measure it apples to apples so if you went one week in the gym fasted training and measured your results and then you went one week in the gym fed training result you probably see a linear increase be pretty parallel Saudi well I hope this helps everyone out if you have ideas for future videos put them in the comment section I think it’s a great time to see ideas for future videos so I’d love to see those down in the comments section and as always make sure you’re locked into my channel I’ll see you soon
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Weekly Q&A | Effect of Keto on Thyroid, Metabolism & Blood Sugar – Thomas DeLauer
Does Keto Slow Down or Increase your Metabolism?
That means, OMAD every day won’t slow down our RMR as long as it’s on a ketogenic diet, right?
Because you mentioned that doing OMAD on a daily basis could decrease the RMR, and thus we shouldn’t do it too often. For instance; go back to 16/8 every other day to keep it up.
Thomas, Why is there alot of info going around about keto shutting down hormone levels in men over 45 years old , those making it very hard to lose the last remaining stubborn body fat areas. What is the age correlation ?What changes at over 45 years old?
Isnt it different for women than men because of the hormone fluctuations???
You’re Right but…
Hi TDL. Thanks for the great video. Question: What are the benefits / drawbacks of a slow metabolism so long as you don’t overeat?
Your Thyroid on Keto & Intermittent Fasting
Hi Thomas, What if you don’t have a thyroid but supplement with synthetic thyroid hormone ?
Why peacons and macadamia nuts are so addictive?
I have read a lot about goitrogen vegetables having a negative effect on the thyroid, yet many of them have so many nutrients in them. Many great keto carb substitutes (cauliflower rice, broccoli, etc) are made of them and I find myself eating these vegetables often. Do you think this should be an actual concern if I am hypo? I always cook them and I know that is supposed to be better, but I wasn’t sure how backed this concept is. Another topic I was wondering are night shade vegetables in relation to inflammation in the body. Any info is greatly appreciated! Thank you
How would it affect graves disease?
Does your Blood Sugar matter on Keto & Fasting?
Thomas, would you suggest measuring your A1C rather than a daily glucose, or will the results be similar?
So what about the GKI (glucose-ketone index)?
Thomas – thanks for the video as always. I know it’s relative but what numbers would you consider being a large blood sugar spike from normal around mid 90s?
High blood sugar causes damage to blood vessels and neurons (which is why people with diabetes end up with nerve damage, sight loss etc). But what is the impact of high insulin? Is it also damaging?
How to Build Muscle with Fasting | The Ultimate Guide
I break my 18 hr fast 4 hours after a workout. Is 4 hours after a workout too long?
Would this mechanism be the same if underweight? E.g. if clinical underweight due to carcopenia but now restoring to health. Would it be beneficial to add extra protein in this case when not fasting?
Shouldn‘t I wait for an hour or two after workout before eating? Or is this only if I want to burn more fat and not build more muscle?
Is there anything you can do to ensure that performance in the gym doesn’t suffer while you’re fasting? For me there’s a big drop off especially if I start feeling hunger pains while working out