The best multivitamins for women, tested by doctors and editors, include necessary nutrients needed for optimal health. Shop ...

Medically reviewed by Roxana Ehsani, RD Probiotics are live microorganisms (such as bacteria and yeast) that have health ...

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

The discount retailer is now selling kefir, a fermented milk drink that is packed full of live cultures, calcium, and protein ...