Popular Vitamin D Supplement Has “Previously Unknown” Negative Effect, Study Finds

Popular Vitamin D Supplement Has “Previously Unknown” Negative Effect, Study Finds

A new meta-analysis is challenging long-standing assumptions about vitamin D supplements. New research from researchers at the University of Surrey, the John Innes Centre, and Quadram Institute Bioscience is raising questions about a common choice in supplements: vitamin D2 versus vitamin D3. Their findings suggest the two forms may not be interchangeable and, in some [...]