Andrew Huberman· PhD
So, is that reasonable? 1,000 to 5,000 IUs for most people will be reasonably safe. Again, just assuming that people are going to just jump to it without the blood test.
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The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
So, is that reasonable? 1,000 to 5,000 IUs for most people will be reasonably safe. Again, just assuming that people are going to just jump to it without the blood test.
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a th000 to 2,000 International you
I think most Physicians would agree that supplementing with anywhere from a th000 to 2,000 IU of vitamin D per day is probably safe for most people and will buffer that level of vitamin D in their system such that they're unlikely to be deficient and unlikely to far exceed what's safe in the body
for most people supplementing with a th to 2,000 international units of vitamin D it's probably safe however if you need more vitamin D you won't know that unless you take a vitamin D test
some people indeed need 5,000 to 10,000 IU of vitamin D per day but you don't want to overdose yourself on vitamin D that is if you already have sufficiently high levels of vitamin D in your system and you're getting sufficient sunlight well then taking 10,000 or more international units of vitamin D could possibly be detrimental
you're going to supplement with vitamin D to probably start at the lower end of supplementation like a th000 to 3,000 IU maybe 5,000 IU best would be to measure your vitamin D levels
I encourage you that if you're going to supplement with vitamin D to probably start at the lower end of supplementation like a thousand to 3,000 IU maybe 5,000 IU best would be to measure your vitamin D levels
It's probably almost completely harmless to be taking an additional 1,000 units a day on top of whatever is in your diet, but really talk to your doctor about it.