Your vitamin D tests and supplements are probably a waste of money

Screening for vitamin D has exploded — with no good evidence that it helps people.

""...Unless you really are truly symptomatic," Rosen summed up, "it might not be worthwhile to measure vitamin D, and tag you with the diagnosis of deficiency, when it’s not clear those levels make you deficient and you’re not at risk for disease." In other words, beware of the vitamin D test."
learn more: https://www.vox.com/platform/amp/science-and-health/2017/6/20/15838152/vitamin-d-deficiency-foods-symptoms

Screening for vitamin D has exploded — with no good evidence that it helps people.