When your body lacks vitamin D, it can disrupt several important functions, especially the bones, muscles and immune system.

Vitamin D deficiency can lead to bone softening and subsequent bone pain and fractures. Learn its causes, diagnosis, treatment, and prevention.

Your fingers can reveal more about your health than you think. From tingling and stiffness to brittle nails, here are 5 ...

A Verywell Health editor shares her experience with vitamin D deficiency and the impact that vitamin D supplements had on her ...

A vitamin D deficiency is common, but can be hard to notice. Experts say there are some unexpected symptoms linked to low vitamin D.

You already know that your body needs vitamin D to build strong and healthy bones—but that’s not the only thing the sunshine vitamin has going for it. Vitamin D helps your body absorb calcium (another ...

Vitamin D deficiency can quietly affect your health long before serious problems appear. Recognizing these eight early symptoms can help you take timely action and prevent long-term complications.

Contributor content. Here are some mechanisms linking vitamin D to hair, as well as warning signs to look out for, that can ...

Vitamin D is crucial for building strong, healthy bones. It helps your body absorb calcium, and it also boosts your immune system, regulates cell growth, and reduces inflammation, according to the ...

Vitamin D deficiency, affecting a significant portion of the population, can manifest through various signs on the skin and legs. Slow wound healing, itchy or dry skin, and a dull complexion may ...

Vitamin D deficiency affects many women, often without clear symptoms. New research shows why the issue is more complex than ...

Scientists are still untangling why the nutrient gap persists—and what it reveals about how women’s health is studied and treated.