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  #1   ^
Old Sun, Oct-04-20, 05:13
WereBear's Avatar
WereBear WereBear is offline
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Plan: EpiPaleo/Primal/LowOx
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Vitamin D is a hormone. Like Vitamin B3 is really an amino acid

The point is that all these vitamin studies established the low end, where a lack creates a poor state of health. But few have established a high level, where supplementation creates toxicity. Optimum is still not a common attitude towards "vitamins."

I found a paper which found COVID-19 has poorer outcomes the closer the poles an area was. Of course, this can be complicated by many factors.

But I long wondered if the pattern of different results in people with varied skin pigmentation has a Vitamin D factor involved. Most people in developed countries wear a lot of clothes and stay indoors. The paler the person, the more likely their ancestors were from a colder place, where descendants coped with low skin exposure in other ways.

Like the healing properties of cod liver oil.
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  #2   ^
Old Sun, Oct-04-20, 05:27
JEY100's Avatar
JEY100 JEY100 is offline
Posts: 13,498
 
Plan: P:E/DDF
Stats: 225/150/169 Female 5' 9"
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Progress: 134%
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Quote:
All I can say is that I’m so grateful to have found low carb, and now Dr. Jason Fung, even though I’m still obese, but 153 pounds less obese than I once was. So bummed after reading the comments to that article. I should know better than reading comments on articles of this sort!
Gosh Debbie, update your stats Same (always slim) people have been commenting in the NYT on every article that hints CICO may not work for everyone, still under the spell of Jane Brody. . Really not worth your time writing a response.

Quote:
But I long wondered if the pattern of different results in people with varied skin pigmentation has a Vitamin D factor involved. Most people in developed countries wear a lot of clothes and stay indoors. The paler the person, the more likely their ancestors were from a colder place, where descendants coped with low skin exposure in other ways.
This has been noted since very early studies about Covid patients, but do we hear about in the US? . In Stockholm the Somali population was particularly hard hit, Swedes, not so much. https://www.bmj.com/content/368/bmj.m1101/rr-10. However, now Trump's treatment plan includes Vitamin D, zinc, and aspirin.

Last edited by JEY100 : Sun, Oct-04-20 at 11:24.
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  #3   ^
Old Sun, Oct-04-20, 05:44
JEY100's Avatar
JEY100 JEY100 is offline
Posts: 13,498
 
Plan: P:E/DDF
Stats: 225/150/169 Female 5' 9"
BF:45%/28%/25%
Progress: 134%
Location: NC
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Tracked down three of those charts Dr. Mahtani used in her talk on a VitaminD wiki, posted by Grassroots Health:

https://vitamindwiki.com/Chart+of+V...ealth+June+2013
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  #4   ^
Old Sun, Oct-04-20, 06:49
GRB5111's Avatar
GRB5111 GRB5111 is offline
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Plan: Very LC, Higher Protein
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Janet, good find. I've bookmarked the site. The chart showing disease incident reduction against the two types of vitamin d measurement units, ng/ml and nmol/L is excellent and provides an easy comparison.
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  #5   ^
Old Sat, Oct-10-20, 09:45
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JEY100 JEY100 is offline
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Plan: P:E/DDF
Stats: 225/150/169 Female 5' 9"
BF:45%/28%/25%
Progress: 134%
Location: NC
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A new article on Vitamin D from Medium:

https://elemental.medium.com/vitami...se-b2593e782933

Quote:
Vitamin D for Covid-19: New Research Shows Promise
Studies highlight potential life-saving benefits. But some experts aren’t convinced.


Markham Heid
2 days ago·7 min read

The study’s findings were significant — “spectacular” even, in the words of at least one expert commenter.
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  #6   ^
Old Sun, Oct-11-20, 15:15
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Merpig Merpig is offline
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Plan: EF/Fung IDM/keto
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Quote:
Originally Posted by JEY100
A new article on Vitamin D from Medium:

https://elemental.medium.com/vitami...se-b2593e782933
Interesting quote from the article about a certain study:
Quote:
“I’m as excited as anyone about vitamin D, but I’m not ready to jump on the bandwagon,” says Mark Moyad, MD, the Jenkins/Pokempner director of preventive and alternative medicine at the University of Michigan Medical Center....To illustrate his point, he describes the decades of promising research that linked low vitamin D levels to bone weakness. But when, for a 2019 JAMA study, people took high daily doses of vitamin D for three years, their bones actually got weaker, not stronger. While the known risks of taking moderate amounts of vitamin D as a supplement are minimal, the JAMA study’s findings — as well as the findings of many other past vitamin studies — show that there can be unexpected and often unwanted consequences associated with supplement use.


This is the study it references:
https://jamanetwork.com/journals/ja...article/2748796
It sounds like a pretty well-designed randomized study of older adults (55-70).
Quote:
This 3-year randomized clinical trial examined the effect of 3 daily doses of vitamin D: 400 IU, 4000 IU (the National Academy of Medicine [formerly the Institute of Medicine {IOM}] tolerable upper intake level), and 10 000 IU in healthy adults aged 55 to 70 years and failed to find a positive effect of vitamin D on volumetric BMD and estimated bone strength, as measured by HR-pQCT at the radius and tibia.

Instead of the hypothesized increase, a negative dose-response relationship was observed for volumetric BMD. Using the 400-IU group as a reference point, high-dose vitamin D supplementation (10 000 IU/d) was associated with a significantly greater loss of bone.
Maybe it's studies like this one that have led some of the folks I enjoy following to say higher levels of D3 are not necessarily better. However there was no placebo group in the study, and people who had very low levels of D initially were excluded. Though this study concentrated on bone health as opposed to other possible benefits of D3 supplementation. Interesting read however.
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  #7   ^
Old Tue, Oct-13-20, 04:35
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JEY100 JEY100 is offline
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Plan: P:E/DDF
Stats: 225/150/169 Female 5' 9"
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Progress: 134%
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The CDC recently revised its guidelines to include Overweight, not just Obesity.

Quote:
COVID-19 is a new disease. Currently there are limited data and information about the impact of underlying medical conditions and whether they increase the risk for severe illness from COVID-19. Based on what we know at this time, adults of any age with the following conditions might be at an increased risk for severe illness from the virus that causes COVID-19:

https://www.cdc.gov/coronavirus/201...conditions.html

You can guess the government’s advice for nutrition and physical activity.
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  #8   ^
Old Tue, Oct-13-20, 06:22
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Ms Arielle Ms Arielle is offline
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Plan: atkins, carnivore 2023
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I am reminded of Dr Atkins writings that the obese and overweight are not the only ones that suffer from poor nutrition. Basically anyone eating the SAD is not in the best of health.

Guess that would be 95+ % of Americans....

Sure would like to know more about those who test positive but show few symptoms...what their diet looks like specifically.
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  #9   ^
Old Tue, Oct-13-20, 10:56
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WereBear WereBear is offline
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Plan: EpiPaleo/Primal/LowOx
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Also, Debbie, I don't seek any K2! That's the "traffic cop" who puts all the calcium where it should be.
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  #10   ^
Old Tue, Oct-13-20, 11:41
Merpig's Avatar
Merpig Merpig is offline
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Plan: EF/Fung IDM/keto
Stats: 375/225.4/175 Female 66.5 inches
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Location: NE Florida
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Quote:
Originally Posted by WereBear
Also, Debbie, I don't seek any K2! That's the "traffic cop" who puts all the calcium where it should be.
oh true. I always take my K2 with my D3.
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  #11   ^
Old Sun, Nov-08-20, 09:44
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cotonpal cotonpal is online now
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Plan: very low carb real food
Stats: 245/125/135 Female 62
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Thorne Research makes a vitamin D3 liquid and a vitamin D3/k liquid.
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  #12   ^
Old Sun, Nov-08-20, 15:00
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deirdra deirdra is offline
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Plan: vLC/GF,CF,SF
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In Canada, "D Drops" are often found in the "baby" supplies & foods section of groceries & pharmacies, and have been for a couple of decades.
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  #13   ^
Old Sun, Nov-08-20, 15:40
GRB5111's Avatar
GRB5111 GRB5111 is offline
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Plan: Very LC, Higher Protein
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Thanks, all. I think vitamin D gel caps qualify as liquid, but I've never seen it any other way, tablets for example. Maybe I don't get out enough! I'll check out the Thorne Research products. After a 5-mile hike in the Virginia countryside today with clear skies and temps in the high 70s, I'm hoping I received a good dose of the natural D stimulant.
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  #14   ^
Old Sun, Nov-08-20, 16:55
Zei Zei is offline
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Plan: Carb reduction in general
Stats: 230/185/180 Female 5 ft 9 in
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All sorts of stuff including liquid vitamin d/k etc. (in a bottle, not capsules) are available from that big company starting with the letter A that has two day home delivery. Where I get mine.
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  #15   ^
Old Tue, Nov-10-20, 04:11
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Demi Demi is offline
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Plan: Muscle Centric
Stats: 238/153/160 Female 5'10"
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Location: UK
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What is the best way to get your hit of Vitamin D? Researchers probe benefits of the 'sunshine' supplement as a weapon against Covid-19

https://www.dailymail.co.uk/health/...-Vitamin-D.html
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