I'm surprised anyone should find a totally inacurate article from 2007 remotely useful or interesting.
Quote:
How much vitamin D does the average person need? In
the summer, those with at least 15 minutes of sun exposure
on their skin most days should take 1,000 mg of vitamin
D3 each day In the winter, those with dark skin, or those
who have little sun exposure on their skin, should take up to
4,000 mg each day
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It's amazing that anyone who doesn't understand the units vitamin d is dispensed in can get stuff published.
The idiot who wrote that actually meant to say 1000iu daily but as we know that 5000iu/daily is required to get the average US adult to meet their daily vitamin d requirement we know that is rubbish.
We can all see what happens in practice when people take just 1000iu/daily/D3.
Look at the line of people taking 1000iu/d. Do any of them get over 40ng/ml to meet daily needs?
Who is trying to keep the population vitamin d insufficient.
5000IU= 125mcg
4000iu=100mcg
1000mcg=1mg
so 1mg = 40,000iu
and 1000mg = 40,000,000iu
and 4000mg = 160,000,000iu
Now who really thinks it's sensible to take that much vitamin d daily?
The article does actually say
Quote:
Ideally patients should test for
vitamin D blood levels at or near 50 ng/ml. If it is more
than 10% below this level, supplemental sources of vitamin
D3 should definitely be increased
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which I agree with. but you can see from the links I've provided that it's 5000iu/d that will be required by most people.