JoAnn Manson on Vitamin D Dosage – Osher Research Seminar

Posted On: April 21st, 2015

Earlier this month, Dr. JoAnn Manson, Division Chief of Preventive Medicine at Brigham and Women’s Hospital, gave an in-depth presentation about clinical research surrounding safe and beneficial Vitamin D dosage. Watch the presentation here.

Dr. Manson was recently featured  in TIME Magazine regarding the variable clinical research findings regarding Vitamin D levels.

“Clinicians are often left chasing a number, and trying to get patients’ blood levels up to a certain point,” says Manson. “But when you think about how many people are screened for vitamin D, and the concerns about the reliability in how it’s measured, and the differences in what is considered normal ranges across laboratories, it’s really concerning.” Read the Full article here.


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In this presentation, Dr. Manson discusses the international randomized trial being conducted by Brigham and Women’s Hospital to evaluate the health benefits of different dosage levels of vitamin D: The large-scale VITamin D and OmegA-3 TriaL (VITAL). This is the largest of its kind, with 26,000 participants from across the U.S., Europe, Australia and New Zealand.