MR Portable Diagnostic Centre is revolutionizing home healthcare by providing essential diagnostic services at your doorstep. Whether it's a digital X-ray, ECG, or sample collection for blood or urine tests A Vitamin B12 test is a blood test used to measure the levels of vitamin B12 (cobalamin) in your blood. Vitamin B12 is an essential nutrient that plays a critical role in the production of red blood cells, nerve function, and DNA synthesis. It is found in animal-based foods like meat, eggs, and dairy, and deficiencies can lead to a variety of health problems. Symptoms of B12 deficiency are present, such as: Fatigue, weakness, or dizziness Numbness or tingling in the hands and feet Memory problems or difficulty concentrating Pale or jaundiced skin Mood changes or depression Difficulty walking or balance issues.