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10 reasons why seniors need more vitamin D

Senior skin produces 3X less Vitamin D for the same sun intensity
Seniors have fewer vitamin D receptors as they age
Seniors are indoors more than than when they were younger
- not as agile, weaker muscles; frail, no longer enjoy hot temperatures
- (if outside, stay in the shade), however, seniors might start outdoor activities like gardening, biking, etc.
Seniors wear more clothing outdoors than when younger
- Seniors also are told to fear skin cancer/wrinkles
Seniors often take various drugs which reduce vitamin D
- Some reductions would not show up on vitamin D test
- statins, chemotherapy, anti-depressants, blood pressure, beta-blockers, etc
Seniors often have one or more diseases which consume vitamin D
- osteoporosis, diabetes, MS, ...
Seniors generally put on weight at they age - and a heavier body requires more vitamin D
Seniors often (40%) have fatty livers – which do not process vitamin D as well
Reduced stomach acid ==>less Magnesium needed to utilize vitamin D
(would not show up on vitamin D test)
Seniors with poorly functioning kidneys do not process vitamin D as well
(would not show up on vitamin D test) 2009 full text online Also PDF 2009
Vitamin D is not as bioavailable in senior digestive systems (Stomach acid or intestines?)

Category Seniors and Vitamin D 390 items

Elderly Skin generates less Vitamin D

Elderly skin generates less vitamin D
Wonder what % of the "diseases of aging" are due to low vitamin D?

The Blue Zone books show seniors in their 90's who are active in gardens (getting lots of vitamin D - as well as exercise, good food, etc.)

Why do gardeners live longer (vitamin D, etc.)

See also VitaminDWiki

Overview Seniors and Vitamin D
19 reasons for not taking Vitamin D debunked
Many reasons why vitamin D deficiency has become epidemic 38 reasons as of Nov 2021
Hypothesis: Sarcopenia and other senior problems are related to low gastric acid
Elderly often trapped in vitamin D vicious circles
NONE of the senior women or men got even the minimum Vitamin D intake
And there are many reasons (see above) that vitamin D which is taken does not get used.

from Dietary Guidelines for Americans vitamin D - June 2010

10 reasons why seniors need more vitamin D

13488 visitors, last modified 28 Nov, 2022,

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- Reasons for low response to vitamin D 19 reasons for not taking Vitamin D debunked When over 50, poor health is associated with poor vitamin D– review Oct 2019 Long-Haul more prevalent among seniors - June - 2022 Overview of VitaminDWiki Seniors Frailty 9X more likely if low vitamin D – Nov 2015 Overview Seniors and Vitamin D Monthly 60,000 IU of Vitamin D did not reduce mortality (too infrequent)- Feb 2022monthly) will reduce mortality – results due 2024 Hypothesis: Sarcopenia and other senior problems are related to low gastric acid Diabetes, hyperglycemia, depression, poor balance, etc. all associated with low vitamin D in seniors – March 2014 Seniors 2.2 X more likely to walk slowly if very low vitamin D – meta-analysis Dec 2017 Reduce Coronavirus risk with Vitamin D (50,000 IU once a week) Genes which regulate active vitamin D worsen with age – Oct 2016 Vitamin D predicts good health and long life in seniors, review of 20 cohort studies – Oct 2019 Low vitamin D was again associated with winter, females, obesity, smoking, sedentary – Aug 2019 Seniors being cared for in their home needed more care if low vitamin D – Sept 2019 Vitamin D and Ageing (29 page chapter, VDR decreases with age) – Feb 2019 Vitamin D for adults and elderly – review Oct 2018 Majority of frail hospital patients had low vitamin D, which did not change with season – 2018 Older adults need to know more about Vitamin D – June 2018 RDA is often not enough – 75 percent in US correctly believe – April 2019 Less vitamin D gets to cells as you age - fewer Vitamin D Receptors - 2004 Centenarians with high vitamin D were 2.9X more likely to be functionally independent – Oct 2018 Healthy aging associated with higher levels of both Vitamin D and Omega-3 – Dec 2018 Physical performance of black senior women not improved with 30 ng of Vitamin D – RCT Nov 2018 Senior quality of life not helped by 800 IU of Vitamin D (not nearly enough) – RCT Oct 2018 Off topic – Caregiving of seniors at home – helpful hints Centenarians with good vitamin D were 1.5 X less likely to depressed – Aug 2018 Off topic – Half of seniors now take 5 or more drugs daily (before only 12 percent took 5) – July 2018 All older women need vitamin D supplementation to get to even 20 ng (results of modeling) – May 2018 Fall and fracture rates vs Vitamin D after standardization – March 2018 50,000 IU vitamin D routinely given monthly in New Zealand senior homes since 2011– Dec 2016 Hypothesis – neuromuscular aging can be reduced by nutrient supplementation (Vitamin D, Omega-3, etc) – Feb 2018 Speed of getting up from chair is proportional to Vitamin D levels (above 30 ng) Jan 2018 Vitamin D levels for UK seniors with health problems – Dec 2017 Stop Treating 70- and 90-Year-Olds the Same – Aug 2017 2X fewer Senior falls in group getting 100,000 IU vitamin D monthly via Meals-on-Wheels – RCT Aug 2015 Nursing home residents need Vitamin D 4,000 IU daily or 50,000 IU weekly – Jan 2016 Many diseases of aging are associated with low vitamin D – Dec 2014 Vitamin D may protect against Ebola If you were born after 1960 your risk of getting cancer is 1 in 2 if you do not get a lot of vitamin D A vitamin D study which found virtually no benefits for seniors – probably due to candidate rejection – Aug 2015 Essential nutrient requirements of the elderly (vitamin D, etc.) – June 2014 Mobility device – 50 percent increased use (perhaps decreased vitamin D levels) - May 2015 800 IU vitamin D in capsule form (but not drops) helped nursing home residents – Sept 2014 Elderly 3X more likely to have 30 ng of vitamin D if frequently eat fatty fish, eggs – Aug 2013 Best of VitaminDWiki Latest Vitamin D Wiki News 83 year-old women in Europe have 11 ng of vitamin D – July 2014

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Health Problems and D

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Cerebral Palsy (6+)

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Anesthesia ==> Cog

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COVID-19 (1200+)

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Depression (242+)

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Metabolic Syndrome + Mg

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Diseases general (93+)

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Children (16+)

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Genetics (312+)

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Vit D Receptor (465+)

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People and Low Vitamin D

Infant/Child (747+)

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Seniors (390+) Overview

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# of studies as of Mar 17, 2023