How to avoid vitamin and prescription drug interactions

Nutritional supplements and prescription drugs can cause potentially dangerous drug interactions. Vonda Wright, MD, describes interactions between common vitamins and the blood thinner warfarin, as well as acne and osteoporosis drugs.

Supplements aren’t always safe—or even necessary. Follow these rules to help protect your health.

Not all pills, capsules, and powders do what they claim—and some are even dangerous. Learn how to stay safe.

Before you stock up at the pharmacy, know that most people can get nearly all their essential vitamins and minerals from food.

Did your favorite beverage make the list?

Learn what this really means, how much is considered “safe”, and how the FDA responded.