Robin Whittle 

@robinwhittle
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Electronic technician and computer programmer working with vitamin D aware healthcare professionals and researchers to raise awareness of the immune system's need for at least 50ng/ml 125nmol/L circulating 25-hydroxyvitamin D.
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Nutrition Matters
Nutrition Matters
By Robin Whittle
Inadequate nutrition - especially low vitamin D - is not properly recognised by the medical profession.