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I haven't heard of any opposition to keeping one's Vitamin D level at a reasonable number. If a small supplement is needed for that, go ahead. I take a small supplement myself. But hypervitaminosis D carries real risk because it can cause hypercalcemia, which in turn causes many problems some of which are serious. Furthermore there was a very well-designed study two years ago that established Vitamin D supplements do not actually change the outlook for bone fractures in healthy, well-nourished people over 50. (People with health problems or poor nutrition may be a different story.) Many GPs/PCPs had been doing blood tests for Vitamin D and, where necessary, advising patients to take supplements based on early indications that higher Vitamin D levels benefited a broad portion of the population.
I haven't heard of any opposition to keeping one's Vitamin D level at a reasonable number. If a small supplement is needed for that, go ahead. I take a small supplement myself. But hypervitaminosis D carries real risk because it can cause hypercalcemia, which in turn causes many problems some of which are serious. Furthermore there was a very well-designed study two years ago that established Vitamin D supplements do not actually change the outlook for bone fractures in healthy, well-nourished people over 50. (People with health problems or poor nutrition may be a different story.) Many GPs/PCPs had been doing blood tests for Vitamin D and, where necessary, advising patients to take supplements based on early indications that higher Vitamin D levels benefited a broad portion of the population.
Found this when I remembered mistakenly something I heard in my childhood thinking it was about Vitamin D when it's actually Vitamin A that is toxic in high amounts such as in Seal liver (more of an issue for Eskimos) https://en.wikipedia.org/wiki/Hypervitaminosis_D but seems D has some risks as well.
I started taking Vitamin D supplements about a year ago but have not been taking them consistently so good to see there are positive effects.
Hand washing and not touching your face is always sound advice on avoiding germs and disease.
You should only supplement with D if you are low. I supplement because my doc tested me and I need a little more. If you are low you may be more susceptible to flu and colds. I don't believe there is any evidence that it helps prevent colds and flu if your D levels are normal. A lot of us are low, though, and it's worth getting tested. Adequate Vitamin D levels can also help with mood, possibly with dementia, multiple sclerosis and cancer among other things.
You should only supplement with D if you are low. I supplement because my doc tested me and I need a little more. If you are low you may be more susceptible to flu and colds. I don't believe there is any evidence that it helps prevent colds and flu if your D levels are normal. A lot of us are low, though, and it's worth getting tested. Adequate Vitamin D levels can also help with mood, possibly with dementia, multiple sclerosis and cancer among other things.
I tested low a few years ago so I started taking 5,000~10,00 i.u.s of D3 to get my levels up. Ever since then I rarely get colds and when I do, they're very mild and usually last just a few days. When I started taking a gram of vitamin C twice a day back in the 90s it stopped me from catching the flu, something I was prone to getting every year or every other year.
Hope you're not still on that high of a dose. I have a friend who took 15000 IUs and ended up with kidney stones her doc attributed to too much Vitamin D. I take 1000-2000 IUs and that seems to do the trick for me.
I just came down with a cold today, thought it was allergies, but nope, it's a full-on drippy head cold. I don't remember the last time I had one, maybe a couple years ago. I'm quarantining myself. My right in the middle range of normal VitD3 level didn't stop the virus from getting me, I hope it resolves quickly.
Voo Doo medicine. Taking flintstone vitamines will not prevent the flu. If this thing from China hits us, it will be bad.
Vit D levels are not voodoo medicine. It's an important component to health (cardiovascular, bones, etc).
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