- 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
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.)
See also VitaminDWiki
10 reasons why seniors need more vitamin D
- 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.
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