These RD-approved simple recipes are loaded with nutrients to ward off illness all year round.

Salmon is known for being a rich source of vitamin D. A 3.5-ounce serving has 400 international units (IU) of the nutrient.Other foods have even more vitamin D in a typical serving. These include cod ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Vitamin D is critical for immune defense, osteoporosis ...

There’s a reason we’re all currently obsessed with magnesium and vitamin D. They are essential in many processes within our bodies, but many of us are deficient in them. Dr Álvaro Campillo, a ...

Vitamin D is an important nutrient but one that people tend to lack during the winter months. Vitamin D helps keep bones strong and works to support the body's immune system. The main way people get ...

For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as the cure for rickets, a childhood disease that causes weak and deformed bones. Then, in the early ...

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There's a fundamental reason for this seasonal fatigue: low levels of vitamin D—the "sunshine vitamin." ...