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Vitamin B12 has always been an important and essential nutrient, but as more and more people turn to vegetarian and vegan diets or simply reduce their meat consumption, focus on this vitamin has increased. Most natural sources of vitamin B12 are animal products.

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1. B12 is a Vital Vitamin

Vitamin B12 is a complex, water-soluble vitamin required for proper red blood cell formation, cell metabolism, neurological function, and DNA synthesis. The U.S. nutritional recommendation for B12 is 2.4 mcg per day for adults. While B12 can remain stored in the liver for several years, markers of B12 deficiency usually begin to appear within a few months of insufficient supply.

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