Five large randomised controlled trials involving over 100,000 participants found mostly null effects on hard clinical endpoints, prompting the Endocrine Society to revise its 2024 vitamin D sufficiency threshold back to 20 ng/mL—aligning with broader scientific consensus and challenging influencer claims of "optimal" higher levels. — Photo by Nataliya Vaitkevich on Pexels (Pexels License)
Prof. Giorgi Pkhakadze, MD, MPH, PhD, is Editor-in-Chief of the Georgian Medical Journal and Chair of the Public Health Institute of Georgia (PHIG). He is Professor and Head of the Department of Social and Behavioural Sciences at David Tvildiani Medical University, and Secretary/Treasurer of the UEMS Section of Public Health. ORCID: 0000-0001-7609-4515.
