What's the buzz over NAD? Early science shows this trending supplement may help boost longevity. Here's what doctors say.

Vitamin B12 is an essential nutrient found in a wide variety of foods. Learn more about the best food sources of vitamin B12 ...

The human body does not make or store vitamin C, and it eliminates any excess in the urine. You must get enough vitamin C ...

Each year in November, I get a cold. Not exactly newsworthy, you may correctly think. But the cold advances and has, over the ...