vitamin D and magnesium

An Overlooked Cause of Vitamin D Deficiency

You may be getting plenty of vitamin D from the sun and supplements. But is your body actually absorbing it? A new review suggests there's a 50% chance you aren’t.

Vitamin D Supplements May Be Ineffective Without Magnesium Too

New research highlights the vital importance of taking magnesium in combination with vitamin D as well as previously studied vitamin K2.