You've probably been hearing a lot about vitamin D lately, and how it's vital to your overall health. There's an abundance of research on the benefits of this essential compound.
And yet, it's estimated that 80 percent of certain populations in America have lower than recommended levels. Plus, the definition of what constitutes a deficiency has changed over the years, making determining the scale of the problem even more difficult.
If you're confused about vitamin D and what you need to know for vibrant health, here's what I tell my patients: