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  1. Overview. Vitamin B12 is an essential vitamin found in foods such as meat, fish, and dairy. It can also be made in a lab and is often taken with other B vitamins. Vitamin B12 is required for...

  2. 2024年6月29日 · Vitamin B12 is essential for good health, but some people may not be getting enough. WebMD tells you about symptoms of a vitamin B12 deficiency and how it can be treated.

  3. 2022年9月21日 · Vitamin B12 is an essential nutrient that helps the body create DNA, nourishes the brain and nervous system, and assists with the formation of healthy red blood cells. The nutrient occurs...

  4. 2023年3月15日 · Vitamin B-12 (cobalamin) plays a role in making DNA and also helps keep nerve cells and red blood cells healthy. Why do people take vitamin B-12? Vitamin B-12 has been looked at as a treatment for...

  5. 2024年6月26日 · 8 min read. What Is B12 Deficiency Anemia? This type of anemia means that your body doesn't have enough healthy red blood cells because you're low in vitamin B12. These cells transport oxygen...

  6. 2023年1月13日 · What Is Vitamin B12? B12 is one of eight B vitamins. It helps produce the red blood cells that carry oxygen throughout our body. It’s also critical for nerve function, energy release, and even...

  7. 2023年5月29日 · The normal range for vitamin B12 can vary slightly depending on the lab. But a normal level of vitamin B12 in your bloodstream is generally between 190 and 950 picograms per milliliter (pg/mL).

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