The Importance of Vitamin D: How to Recognize if You’re Lacking It

2. Bone Pain and Weakness

Another important function of vitamin D is to help the body absorb calcium, which is essential for strong bones. Without enough vitamin D, the body can’t absorb calcium properly, leading to weak bones and an increased risk of fractures. If you experience bone pain or weakness, especially in your back, hips, or legs, it could be a sign that you’re not getting enough vitamin D.