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Natural Factors Vitimin D3

Posted by iHerb Customer on Mar 23, 2011 | Verified Purchase

I have used this every winter for 10 years. It reduces my Winter Blues to almost zero. It's absolutely wonderful. I tried doing without it 5 years ago and by Christmas I started taking it again. The best dose for me is 4000 IU with my breakfast. From B.C. Canada

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level maintained

Posted by iHerb Customer on Dec 31, 2013 | Verified Purchase

My vitamin level was extremely but with my GI tract disease I cannot breakdown and absorb food nor most supplements and the liquid forms of vitamin D3 made me ill. I have used other products by Natural Factors and decided to try their dry D3. I found I could breakdown the tablets and was able to tolerate without any problem 4 tablets a day. My levels were raised and have been maintained for over two years. I highly recommend this product.

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Good stuff

Posted by iHerb Customer on Jan 06, 2012 | Verified Purchase

I started using these after my doctor's recommendation.

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Good...as always

Posted by iHerb Customer on Nov 03, 2010 | Verified Purchase

Natural Factors are always my first choice for supplements. Great quality and formulations.

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1-4 of 4 total