- Senior skin produces 3X less Vitamin D for the same sun intensity
- Seniors have fewer vitamin D receptors as they age
(The effect of low Vitamin D receptor genes does not show up on vitamin D test results) - Seniors are indoors more than when 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
fear skin cancer/wrinkles, sometimes avoid bright light after cataract surgery - Seniors often take various drugs which reduce vitamin D (some 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
- Seniors not have as much Magnesium needed to use 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
341 items 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 Vitamin D Life
- Overview Seniors and Vitamin D
- Many reasons why vitamin D deficiency has become epidemic 35 reasons as of Jan 2015
- 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.
10 reasons why seniors need more vitamin D10385 visitors, last modified 24 Apr, 2019,