Scientists Warn: Common Vitamin D Supplement Has “Previously Unknown” Negative Effect

A new study shows that vitamin D2 may reduce vitamin D3 levels, suggesting D3 is the more effective supplement for immune and overall health. A new study conducted by the University of Surrey, the John Innes Centre, and the Quadram Institute Bioscience suggests that taking vitamin D2 may actually lower the body’s levels of vitamin [...]

from SciTechDaily https://ift.tt/2dqKgcG