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

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Erwin and Kaite shared some key foods that can support the brain's ability to focus—for instance, oily fish such as salmon, ...

If melatonin has been leaving you feeling foggy the next morning, check out our top choices for all-natural sleep aids.

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