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Defining Optimal Levels and Doses of Vitamin D for Every Individual – By Dr. Sunil Wimalawansa   Source : grassrootshealth What should be the minimum vitamin D level among all individuals?  What diseases and conditions might benefit from even higher vitamin D levels? Key Points Dr. Sunil Wimalawansa answers several questions, including “Do you recommend an absolute minimum vitamin D level for everyone?,” “In which specific health conditions might an individual choose to have a higher target blood vitamin D level to achieve desired outcomes?,” and “What are the broader benefits of having updated guidelines and barriers to implement?” To be clinically effective and to protect all body systems, serum 25(OH)D concentration needs to be “maintained” between 50 to 80 ng/mL range; this would cover approximately 99.9% of all human disorders Vitamin D is a threshold micronutrient – its response rates diminish as the blood vitamin D level increases; once reaching ...