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The Big Vitamin D Mistake

ncbi.nlm.nih.gov

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Re: The Big Vitamin D Mistake

#421

Post by YeGoblynQueenne »

icelancer wrote: post #135
avip wrote: post #128

Earlier quoted context omitted.

This should be reiterated: Please consult a professional before drastically altering the chemical composition of your ephemeral body. I know it sounds downright crazy, but it's possible that someone who's studied medicine and practiced it for years, actually knows better than random anonymous forum users.

>>I know it sounds downright crazy, but it's possible that someone who's studied medicine and practiced it for years, actually knows better than random anonymous forum users. As the link in the OP actually denotes, no, that's not always the case. Bodybuilders and performance trainers - as well as Soviet Union sports scientists - have known for decades that Vitamin D supplementation is vital. This has been rejected by…

The difference is that when medics suggest a certain amount of vitamin D as optimal, they do it because they have done the research. When bodybuilders do it, it's just an article of faith for them and not something you should follow.

It is always possible to arrive at a correct conclusion through entirely incorrect reasoning.

Or, as the saying goes, a broken clock is right twice a day.

Re: The Big Vitamin D Mistake

#422

Post by sundvor »

benbreen wrote: post #12
tw334 wrote: post #2

what is this saying in plain english? That we all need to take vitamin D supplements?

The recommended daily intake of Vitamin D currently seems to be ~600 IU for adults. This article is arguing that this recommended dosage should be increased thirteen-fold to 8,000 IU for adults.

Aye. My Vitamin D pills are 1,000 IU and recommended to use 1 per day. I will up that now.

This sort of info is awesome. Thanks, HN.

Re: The Big Vitamin D Mistake

#423

Post by absk82 »

dwich wrote: post #346
exhilaration wrote: post #304

Earlier quoted context omitted.

Can you tell me which one of those uses Quest? I used Life Extension as well for vitamin D but had to go pretty far to get to a LabCorp facility. I've got a Quest facility a few minutes away I'd rather go to.

Sure, here's the ones I know of: Quest-only: DirectLabs, Personalabs Choice of Quest or DirectLabs: Walk-in Lab (switch the radio button to Quest on the category pages, and make sure a "QD" icon shows up next to it in your cart), TrueHealthLabs (make sure the tests you look at say Quest is an option), HealthTestsDirect (make sure the test list page is toggled to Quest at the top) DirectLabs and Walk-in are generally…

You can try labespy.com. It will search for the lowest price amongst all these sites, amongst many others. You can find vitamin d for $33.

Re: The Big Vitamin D Mistake

#424

Post by wanderr »

ipunchghosts wrote: post #367
noam87 wrote: post #261

Earlier quoted context omitted.

Anecdotal: nothing helped my IBS. Dietary changes, exercise, nothing. Drs said nothing looked wrong. By the time I was 26, it was so bad I would stay home and not socialize often. I would need immodium like candy just to get through a social function. It was truly a nightmare. I was ready to give up. 4000 UI vitamin D a day, and about four weeks in it magically goes away 90%. I've gotten thanks from other people I pa…

A common type of IBS is actually caused by an autoimmune condition whereby the body begins to attack the protein vinculin instead of attacking camplobacter cdtb. There's a blood test you can now get which tell you if this is going on in your system.

What's the test called?

Re: The Big Vitamin D Mistake

#425

Post by jimjimjim »

blurbleblurble wrote: post #408
jimjimjim wrote: post #381

Earlier quoted context omitted.

it's not misinformation. one anecdote in one direction does not counter thousands in the other direction. Talk to some people in the southern hemisphere (australia and nz). There is a LOT of awareness of sun damage in these countries.

There is misinformation about sunscreen. I'm not going to go and advocate that people don't use sunscreen, rather, for my own self, I've decided that it's important to have positive, moderate exposure to the sun in order to develop a healthy tan, to avoid overexposure, and to use sunscreen and protective clothing if I'm sure to be out in heavy sun. It's a complex, dynamical issue and there is conflicting evidence abo…

gah! yes there is misinformation everywhere but 99% of it doesn't come from experts.

do some product research and pick a reputable brand. but don't try to scare people off sunscreen by implying that it causes cancer!

Re: The Big Vitamin D Mistake

#426

Post by seasonalgrit »

Matrixik wrote: post #407
seasonalgrit wrote: post #399

Earlier quoted context omitted.

Thanks for noting this. Their web site design (as well as the use of a dotcom domain) gives a misleading impression

And Chris Masterjohn, PhD is also working with them, example http://v6.examinecdn.com/erd/chrismasterjohn2.pdf Personally I don't know better source with information about different supplements than examine.com, more how they are working here: https://examine.com/about/ If you know better source point it to me, please. This university page you provided is short and old. Just one question: what's wrong with using dotc…

If examine.com's metaanalsyses are based on legitimate research papers -- and you've read some of the papers yourself and find that they indeed provide support for the article citing them -- then i'd say yeah, use the site.

i guess to respond to your question: most biomedical research today is eminating from universities and university-affiliated entites. page for page, i generally wouldn't expect a .com web site -- the majority of which are probably just attempting to generate advertising revenue -- to be on par in terms of accuracy etc with a .edu site. generally, I've found one of the best ways to improve the signal-to-noise ratio is to filter to a specific set of domains (e.g., ,edu, .gov) when searching online.

Re: The Big Vitamin D Mistake

#427

Post by noir_lord »

creep wrote: post #355
noir_lord wrote: post #352

Earlier quoted context omitted.

Have to be careful with magnesium, too much and you'll spend the entire day on the toilet been reminded that topologically humans are a tube.

This effect is more pronounced with lower-quality magnesium supplements, such as magnesium oxide, magnesium sulfate, and magnesium chloride. These compounds are insoluble in water (magnesium oxide), or their counter-ions are not absorbed (magnesium sulfate). Magnesium + glycine (specifically bisglycinate which is the magnesium salt with two glycine molecules) is more bioavailable and does not have a laxative effect s…

Thank you for the info, I'll check those out, my medication is thought to affect nutrient levels so I take supplements (I found out about the laxative effects myself..)

Re: The Big Vitamin D Mistake

#428

Post by tomhoward »

kgwgk wrote: post #204
tomhoward wrote: post #174

Earlier quoted context omitted.

Sure, but higher melanin (ie, darker skin pigmentation) is correlated with lower cancer rates [1][2]. So the point is that cultural changes are causing people who were previously were at lower risk of cancer due to their skin pigmentation/higher melanin, to now have reducing melanin/pigmentation, therefore increasing rates of skin cancer. [1] https://www.cancer.org/cancer/skin-cancer/prevention-and-ear... [2] https:/…

Aren't those links about "people with naturally darker skin"? I'm not sure how cultural changes can affect that. Rich people may eat caviar, but eating caviar won't make you rich...

We know that genetics and environment both play a significant role.

So think about it this way:

If you're genetically predisposed to having very dark skin, you will be able to tolerate more UV exposure without significantly increasing your risk of cancer. And by continuing to be exposed to high UV levels, your body will continue to produce melanin to keep you protected. It's a feedback loop.

If you're genetically predisposed to having pale skin, but then expose your skin to higher levels of UV than your low melanin levels can guard against, you will sustain significant sunburn, and if you do this repeatedly you'll significantly increase your risk of skin cancer. But if you gradually expose yourself to moderate levels of UV you can gradually increase your melanin levels more safely, but only as far as your genetics allow. (This is theoretical of course; we know very well that it's very hard for fair-skinned people to expose themselves to UV light from the sun or tanning beds without overdoing it, hence the widespread occurance of skin cancer.)

My educated guess about the notion that dark skinned people are experiencing higher levels of cancer would be that if a dark-skinned person keeps avoiding UV for long enough, their melanin levels start to decline (due to it not being an optimal use of resources), but then if/when sun exposure happens, the protection isn't as strong and the risk of cancer is higher.

Re: The Big Vitamin D Mistake

#429

Post by hollander »

blurbleblurble wrote: post #251
hollander wrote: post #246

Several years ago I read an article on Facebook about vitamin D, and because I was in pain and tried many things like this, I read more about it, and started using 2000 IU daily. In about two weeks I felt a lot better. Later that year I was on holiday in the mediterrenean and noticed how much better I felt after a morning in the sun. This made me decide to take even more, so I increased use to 6000 IU/d, and I felt e…

I recommend 1000 IU drops. They contain 1000 IU in a single drop, literally. You can get them off the shelf at my local health foods co-op. I've taken 40,000 IU before in a single day (I read that was a safe upper limit for most people). It felt amazing. It also helped me process built up emotions from winter darkness and depression. That day I took 40000IU I literally wept, then felt relief like none other, and a li…

Be careful with that kind of dose! To compensate for insufficiency, it's totally OK, but I wouldn't take it daily. You may start suffering from calcification of the bones. This cannot be undone.

Re: The Big Vitamin D Mistake

#430

Post by coldtea »

lostlogin wrote: post #420
coldtea wrote: post #316

Earlier quoted context omitted.

That's when sunbathing on Venus. Or if you're a ginger or similar. On good old Earth, one can sit in the sun for hours on end without a burn. In fact people frequently do, like all the time.

Where do you live? I suspect it isn’t in the South Pacific.

In Southern Europe and SE Asia. Does that count?
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