The nutrient plays a role in memory, focus, mental health and so much more. Here's how to get more of it.

Researchers have found a potential link between vitamin D deficiency and a higher rate of hospitalization for respiratory tract infections such as colds and pneumonia.

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

Brits plagued by forgetfulness are being told to get their vitamin levels checked, as running low on a crucial nutrient can trigger symptoms similar to dementia. The NHS states that a lack of a ...

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

Cracks in mouth corners, tingling hands or spoon-shaped nails may signal nutrient gaps. Fatigue and slow-healing wounds often stem from deficiencies in vitamins and minerals. Poor diet, absorption ...

Roughly half of the U.S. population doesn’t get enough of it.

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

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

Finding gray hairs earlier than expected can be frustrating—and even alarming—but dermatologists say genetics aren’t the only ...

Doctors say not getting a vitamin K shot puts babies at risk of severe bleeding.

A growing body of evidence indicates that vitamin A therapy can be a supportive part of measles management — but it can’t ...