DEAR DR. ROACH: I had lab work done recently and received a panic call from the doctor’s office that my vitamin D level was 29 ng/mL. I needed to start 50,000 IU once a week for 12 weeks immediately.

Dear Dr. Roach: I had lab work done recently and received a panic call from the doctor’s office that my vitamin D level was 29 ng/mL. I needed to start 50,000 IU once a week for 12 weeks immediately.

Taking zinc and vitamin D together can help keep your immune system in check, improve your mood, and strengthen your bones.

In a recent narrative review published in Nutrients, researchers discuss the evidence arguing for the efficiency and safety of 2000 international units (IU), i.e., 50 micrograms (µg) of vitamin D ...

Vitamin D report that says "50" can mean two completely different things. One is excellent and the other is worryingly low. The only difference is the unit. That's the entire message of Dr Arjun ...

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 ...

Vitamin D plays a crucial role in bone health. FotoHelin/ Shutterstock 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 ...

Nick Blackmer is a librarian, fact-checker, and researcher with more than 20 years of experience in consumer-facing health and wellness content. Vitamin C and vitamin D both support immune function in ...

Vitamin D is essential for bone health, immune function and overall wellbeing. And it becomes even more crucial as we age. New guidelines from the international Endocrine Society recommend people aged ...