Over-the-top vitamin regimens have become bragging rights—and revenue streams—for the health-conscious and wellness-obsessed.

Google searches for “does vitamin A help with measles” have skyrocketed by more than 5,000% over the past month as the highly contagious virus continues to spread across the country. The surge in ...

Vitamin A is an essential nutrient that plays a role in many bodily functions. The fat-soluble vitamin is important for our vision, skin, immune system and more. Also known as retinol, vitamin A is a ...

QUESTION: Hi Dr. Zac, am I being hoodwinked into buying vitamin supplements, or do they actually work? I’ve been feeling constantly tired despite getting enough sleep, and I suspect I might be low on ...

A lot of supplements claim to help your heart. But the list of those that actually may be beneficial is short, experts say.