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Vitamin D Testing Programs WORK!

Here are some examples… Key Points To make sure you and those around you are getting enough vitamin D to prevent deficiency, testing vitamin D levels is an essential step Examples of medical institutions...

The BIG Mistake by the IOM

Video Friday: The math and science used to determine recommended vitamin D serum levels and supplementation amounts, and where the IOM got it wrong It’s Video Friday! Today’s video titled What Serum Level Should...

Memorial Day Sale! Get 15% off test kits and a free Sunshine eBook! Use code MEMORIAL15 . Offer ends Tuesday, May 27th 2025(Not valid on sale items or the T1D Prevention Test Kit)

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