Vitamin D has been the star of the supplement world for years now — and for good reason. You’ve probably seen it pop up in every wellness article, ad, and morning show segment telling you to get your sunshine vitamin. But what’s the big deal about it, really? And how do you know if you’re getting enough? Let’s break down the sunny side of this vital nutrient — and what can mess with your levels more than you think. 🌎 Six Essential Factors That Influence Your Vitamin D Levels