Vitamin A Supplements - Videos

A multi-vitamin can be a good supplement, but it can't replace a healthy diet.

Nutritional Supplement Safety

Middle-Aged and older adults find they aren't meeting the optimal levels of potassium intake- even if they're taking a supplement.

You may be getting more than you need when purchasing multivitamins or herbal supplements.

With several recent studies finding dailyl multivitamins have no effect on your health, many consumers are wondering how they can get the vitamins they need without turning to a pill. NBC's Kristen Dahlgren reports.