
Advice to improve your movement, fitness, and overall health from the world's #1 in orthopedics.
Why Vitamin D Is Important and How to Know If You Need More
You’ve probably heard that vitamin D is important. But what does it do in the body? And how do you know if you need more of it? Find out from HSS bone health expert Marci Goolsby.
Advice to improve your movement, fitness, and overall health from the world's #1 in orthopedics.
Most of us know by now that vitamin D is good for us—especially in the winter, when sunlight (our main source of it) is hard to come by. But many of us aren't getting enough all year round.
According to the US Centers for Disease Control and Prevention and the National Center for Health Statistics, about one-quarter of the US population is at risk of not having enough vitamin D. Low levels of vitamin D have been linked to fatigue, aches and muscle weakness, among other problems.

It's clear vitamin D is important. But do you know what it actually does for your body? Or why having the right amount is so essential? Here's the lowdown on the vitamin from HSS bone health expert Marci Goolsby, MD.
Published 1/15/2021