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Older adults need to know more about Vitamin D – June 2018

Older Adults’ Beliefs, Knowledge and Preferences for Achieving Healthy Vitamin D Status: A Narrative Review

Geriatrics (Basel). 2018 Jun; 3(2): 26., doi: 10.3390/geriatrics3020026
Tatiana Christides

VitaminDWiki

13 reasons why many seniors need more vitamin D (both dose and level) - July 2023 has the following

  1. Senior skin produces 4X less Vitamin D for the same sun intensity
  2. Seniors have fewer vitamin D receptor genes as they age
    Receptors are needed to get Vitamin D in blood actually into the cells
  3. Many other Vitamin D genes decrease with age
  4. Since many gene activations are not detected by a blood test,
    more Vitamin D is often needed, especially by seniors
  5. Seniors are indoors more than when they were younger
    not as agile, weaker muscles; frail, no longer enjoy hot temperatures
  6. Seniors wear more clothing outdoors than when younger
    Seniors also are told to fear skin cancer & wrinkles
  7. Seniors often take various drugs which end up reducing vitamin D
    Some reductions are not detected by a vitamin D test of the blood
    statins, chemotherapy, anti-depressants, blood pressure, beta-blockers, etc
  8. Seniors often have one or more diseases that consume vitamin D
    osteoporosis, diabetes, Multiple Sclerosis, Cancer, ...
  9. Seniors generally put on weight as they age - and a heavier body requires more vitamin D
  10. Seniors often (40%) have fatty livers – which do not process vitamin D as well
  11. Reduced stomach acid means less Magnesium is available to get vitamin D into the cells
  12. Vitamin D is not as bioavailable in senior intestines
  13. Seniors with poorly functioning kidneys do not process vitamin D as well
       Seniors category has 429 items

Studies in Senior plus some other categories in VitaminDWiki

Items in both categories Senior and Vitamin K are listed here:

Items in both categories Senior and Omega-3 are listed here:

Items in both categories Seniors and Vitamin D Receptor are listed here:


Other important items for Seniors

 Download the PDF from VitaminDWiki
The following are just the right columns of Table 1
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Autonomy and mobility are, in many cases, key elements underlying positive ageing. Vitamin D (vitD) is essential to maintaining musculoskeletal health and hence mobility; ensuring adequate vitD status is important in positive ageing. However, vitD deficiency persists in ~10–30% of older adults in the Western world. The aim of this review was to explore older adult vitD beliefs, knowledge and preferences, in order to identify means to prevent vitD deficiency respectful of older peoples’ autonomy. Academic search-engines were used to explore the research literature with the keywords: vitamin D; older adults; preferences; knowledge; practices; beliefs. 22 recent studies were identified; although the majority of older people knew of vitD, knowledge about increased fall risk secondary to deficiency was limited and knowledge did not always correlate with adequate intake or status.
There was evidence of confusion regarding vitD food sources, sun-exposure and health benefits, and although General Practitioners were trusted information sources they often did not discuss vitD with patients.
Preferences varied significantly depending on geographic location, ethnicity, socioeconomic status, education and cultural factors; overall, older people wanted more clear information about vitD.
In conclusion, older people have a relatively high awareness of vitD, however, knowledge may be inaccurate and low in those most at risk, and knowledge of deficiency-associated fall risk is under-recognised. Furthermore, studies specifically addressing older adult preferences are lacking; an understanding of preferences, integrated into public health guidelines and implementation strategies, is key not only to decreasing the risk of vitamin D deficiency but also to enabling autonomy in older adults.


Created by admin. Last Modification: Wednesday May 1, 2019 16:46:04 GMT-0000 by admin. (Version 11)

Attached files

ID Name Comment Uploaded Size Downloads
11809 Older T1C.jpg admin 24 Apr, 2019 77.53 Kb 554
11808 Older T1B.jpg admin 24 Apr, 2019 86.61 Kb 585
11807 Older T1A.jpg admin 24 Apr, 2019 84.96 Kb 568
11806 geriatrics-03-00026.pdf admin 24 Apr, 2019 742.35 Kb 733