From: Mercola.com
New research has once again placed optimum vitamin D intake at much higher than the current recommended amount.
The study of 138 subjects suggested a daily dose of 3800 IU for those with adequate blood vitamin D levels, and 5000 IU each day for those who are vitamin D deficient.
The current recommended intakes for vitamin D are as low as 200 IU daily for those aged 19-50, and go only as high as 600 IU daily for those over the age of 70.
Related: Lack of Sunlight Found to Greatly Increase Risk of Lung Cancer
Is it possible to take too much Vitamin D-3? I am taking 10,000 per day.
Comment by Diane Williamson — September 18, 2009 @ 6:54 pm
Diane,
I’m careful not to give specific nutritional advice, because we don’t have freedom of medicine/remedies in this country, and Big Pharma is actively trying to destroy those who make claims.
With that said, I have heard that one can take too much. At 200+ pounds, I personally take about 6,000 iu per day with sometimes a little bit less in summer, when I get sun exposure. But I wouldn’t take any more than that, nor have I ever found the need. I test nutrients with the kineseology, muscle testing technique, but Dr. Mercola and others recommend a specific lab test.
The amount needed seems to be mainly based upon the weight of the individual and the amount of sun exposure. From what I’ve heard, women are generally recommended to take less than men, but that’s probably because women are generally lighter in weight. But what if one is heavier? I don’t know.
I have never heard anyone suggest to take as much as 10,000 iu, except for short term use, to get the levels built back up in a deficient person.
I did find this article that may be of help to you: Can You Overdose on Vitamin D?
It’s Harder Than You Think, which has recommendations and lists the symptoms of Vitamin D overdose.
By the way, there is a lot of talk (still not enough though) on vitamin D, but there is also a severe deficiency in America in iodine, and I’ve found selenium too. And the RDA for selenium (even what Dr. Mercola recommends. I don’t know why even naturopaths seem to be under-recommending this crucial nutrient; though, they’re up to speed on vitamin D and iodine.) seems to be way too low in my experience. But I haven’t said much about it because of the Big Pharma anti-nutrition policemen. Brewer’s yeast (nutritional yeast) is a great source.
Hope this helps,
Jeff
Comment by Jeff Fenske — September 19, 2009 @ 12:48 am