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Vitamin Defiency

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3 hours ago, kidley said:

This is the NHS recommendation 

My Bold

C&P

However, SACN couldn't make any recommendations about how much sunlight people would need to get enough vitamin D because there are a number of factors that can affect how much vitamin D is produced in the skin. So the recommendations assume "minimal sunshine exposure

 

https://www.nhs.uk/news/food-and-diet/the-new-guidelines-on-vitamin-d-what-you-need-to-know/#:~:text=Vitamin D is found naturally,breakfast cereals and fat spreads.

This advice is over 4 years old.

The advice is  not correctly quoted .

Vitamin D is only present in (sig nificant amounts) fortified manufactured cereals  and spreads.

My info is also wrong, the twenty minutes refers to the maximum time you should expose yourself to the Sun between March and September because of cancer risk

This exposure is insufficient to provide the vitamin D on most days of the year. As diet is unlikely to  provide a regular supply a daily supplement is needed.

 

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I have read that sun exposure is the most effective way of getting vitamin d.  A light skinned person could get enough with 15minutes of sun exposure a day during warmer months; for a dark skinned person it could require 2 hours.  Obesity and age can make vitamin d production from sunlight less effective.  It is more difficult to get the required vitamin d intake from food so taking a supplement can be helpful. However, it is generally better to obtain nutrition from natural sources than artificial ones when possible.  So I believe people should try to get enough sun exposure for their own skin type when possible.

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45 minutes ago, redruby said:

I have read that sun exposure is the most effective way of getting vitamin d.  A light skinned person could get enough with 15minutes of sun exposure a day during warmer months; for a dark skinned person it could require 2 hours.  Obesity and age can make vitamin d production from sunlight less effective.  It is more difficult to get the required vitamin d intake from food so taking a supplement can be helpful. However, it is generally better to obtain nutrition from natural sources than artificial ones when possible.  So I believe people should try to get enough sun exposure for their own skin type when possible.

You cannot rely on enough Vitamin D3 chemical supply from your skin on most days of the year.

Exposure to sunlight needed could increase skin cancer risk. Warmth is not the factor, it is the length and intensity of exposure. Sunbathing in January in the snow works.

Unless you eat engineered food fortified with vitamin D3 chemicals you have no control over your daily  input of the correct vitamin D3 chemicals our body needs.

The point is that to get the right level of the correct chemical you need for at least 6 months a year you need to take vitamin D3 and because there is a limit made each day in the skin, during the rest of the year as well.

 

The contribution of the anti-inflammatory properties that Vitamin D3 makes is still being assessed and the damage caused by Covid19  through inflammation is also known to be significant.

 

If the rheumatics specialist says  I should take Vitamin D3 at £4 a year -I will. Diet and exposure is insufficient in these latitudes .

 

43 minutes ago, redruby said:

 

 

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On 25/06/2020 at 16:33, Baron99 said:

 

 

A lot of us don't need additional Vitamin D supplements which just ends up as expensive urine. 

It is fat soluble, so it doesn't get excreted in the urine.

14 hours ago, Annie Bynnol said:

 

 

Some joint problems benefit from having the correct level of Vitamin D. There is no  benefit in having more. It is not stored.

 

It is stored; it is fat soluble and gets stored in body fat.

Edited by onewheeldave

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3 hours ago, onewheeldave said:

It is fat soluble, so it doesn't get excreted in the urine.

It is stored; it is fat soluble and gets stored in body fat.

The skin make a maximum amount on even the brightest day. Once reached no more Vitamin D3 is made.

This amount of Vitamin D3 has a half life of hours and is used to manufacture other chemicals -classically for  bone synthesis and  maintenance over time. 

Whats new is that Vitamin D3 has other functions including anti-inflammatory and immune system functions over much shorter time spans. If this is the case maintaining the recommended levels of Vitamin D3 is more important. As we do not eat or make enough to maintain a daily level, additional amounts are now recommended. 

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I’m in no way knocking taking a supplement but ideally, where people can, sunlight is probably better than popping a pill. It shouldn’t involve risky sun exposure; fair skinned people need very little exposure to get enough vitamin d just 15-20 minutes. The darker your skin the more exposure is needed but those with dark have a much lower incidence of skin cancer.

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36 minutes ago, redruby said:

I’m in no way knocking taking a supplement but ideally, where people can, sunlight is probably better than popping a pill. It shouldn’t involve risky sun exposure; fair skinned people need very little exposure to get enough vitamin d just 15-20 minutes. The darker your skin the more exposure is needed but those with dark have a much lower incidence of skin cancer.

I try not to use the term "supplement" as it is gives legitimacy to the quackery of the "health" business.

It is true that humans can get enough Vitamin D3 through exposure and diet but the argument is that neither can maintain a sufficient and reliable source in these latitudes.

 

 

 

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2 hours ago, Annie Bynnol said:

I try not to use the term "supplement" as it is gives legitimacy to the quackery of the "health" business.

It is true that humans can get enough Vitamin D3 through exposure and diet but the argument is that neither can maintain a sufficient and reliable source in these latitudes.

The argument is that people lead more sedentary lifestyles than they once did, quite often that means posting on this forum and social media.

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16 hours ago, El Cid said:

The argument is that people lead more sedentary lifestyles than they once did, quite often that means posting on this forum and social media.

And the link between posting on here and vitamin D is?

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