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A 27-year-old female asked:

I've heard a lot about the benefits of vitamin d3. what is a safe amount to take in supplement form? are there any side effects/risks of taking it?

1 doctor answer2 doctors weighed in
Dr. Randy Baker
Holistic Medicine 41 years experience
5-10,000 iu/day: There are many proven benefits of Vitamin D3. While the RDA is only 600-800 iu/day, many experts recommend 5-10,000 iu/day to achieve optimal serum levels of 50-100. The only hazard is from taking too much, but one has to take at least 40.000 iu/day for months to get toxic. It's wise to take some Vit K2 with it. See http://tinyurl.com/2chkcer and http://tinyurl.com/4rqhnn4

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Last updated Aug 31, 2018

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