Feeling tired after 40? Discover the essential vitamin many adults overlook that could revitalize your energy levels and ...

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liver provides over 70 mcg of B12 per 3-ounce serving — more than 2,900% of the daily value! It’s also rich in vitamin A, iron, and folate. If liver isn’t your thing, lean cuts of meat also ...

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Vitamin B complex, encompassing eight essential vitamins including B12, offers comprehensive benefits ... says “When it comes to choosing one over the other, it depends on your specific needs.