A Vitamin B12 test measures the level of vitamin B12 in your blood, essential for nerve function, red blood cell production, and DNA synthesis. It is crucial for diagnosing deficiencies that can lead to anemia, neurological issues, and other health problems. Common symptoms of deficiency include fatigue, weakness, memory loss, and mood changes. This simple blood test helps in early detection and management of potential health issues, ensuring overall well-being.

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