Introduction Vitamin D is often called the “sunshine vitamin,” yet millions of people worldwide are deficient in it—even in sunny regions. Vitamin D plays a crucial role in bone strength, immunity, mental health, and overall well-being. A deficiency can quietly impact your health before symptoms become noticeable. Understanding vitamin D deficiency and how to fix it naturally can help you stay stronger, healthier, and more energetic. What Is Vitamin D and Why Is It Important? Vitamin D helps the body: Without enough vitamin D, these systems begin to weaken. Common Symptoms of Vitamin D Deficiency Many people don’t realize they’re…