Life Extension shares a variety of winter vitamins, supplements, and tips to help the body during the cold season.

Consumer Reports tested 58 dog foods from brands including Blue Buffalo, Hill’s Science Diet, and Purina for key nutrients ...

However, they only work well if you have a vitamin B-12 deficiency ... follow the instructions on the label. The daily recommended dose of vitamin B12 is 2.4 micrograms. If you eat a well ...

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