Measuring 25-hydroxyvitamin D in a clinical environment: challenges and needs.
Hollis BW.
Am J Clin Nutr. 2008 Aug;88(2):507S-510S. Review.
PMID: 18689391
In this article, I provide an overview of the techniques available for measuring 25(OH)D, compare these techniques with one another, and assess their clinical utility. I also briefly discuss the stability of 25(OH)D in biological media and present an overview of the Vitamin D External Quality Assessment Scheme.
On 29th September, Dr Michael Holick appeared on the "Coast to Coast" radio show, hosted by George Noory:
http://www.coasttocoastam.com/guest/holick-dr-michael/41323
As many of you can't afford a subscription to listen to the whole show, I have edited the broadcast into an MP3 file of short snippets, so that we can (intelligently) discuss what was said. There is a "beep tone" to separate each snippet of info.
You can download it from:
http://MarshallProtocol.com/video/Holick.mp3
First is the introduction, setting out Dr Holick's overview of Vit D.
Designed with practicing dermatologists, dermatology trainees, physicians, and scientists interested in photoprotection in mind, this concise and highly illustrated guide provides the latest knowledge of photoprotection in dermatology and cosmetic science. Clinical Guide to Sunscreens and Photoprotectionalso addresses recent important international and domestic regulatory activity and requirements on the use of novel sun protective chemicals and proper labeling of products to ensure increased consumer awareness.This concisely written, problem-oriented text explores
See chapter by Bischoff-Ferrari et al. from page 119 dealing with what dose is needed for 25(OH)D level of 80 nmol/l in 97% of population