The Value of Vitamin D Testing

摘要

Vitamin D is an elusive nutrient for many in the modern world, just like omega-3s, which is why so many health professionals encourage increased intake. But as research continues at a frenetic pace, the focus has evolved to put more emphasis on one’s vitamin D blood level. In other words, because of the complex factors at play when it comes to sun exposure, intake, and metabolism—as well as gender, genetics, lifestyle, to name a few—it cannot be predicted with certainty what someone’s vitamin D level is just based on how much they take.