By - Shruti Sanwariya

Understanding Vitamin B12 Deficiency: Symptoms, Levels, and Sources

Importance of Vitamin B12

Vitamin B12 is essential for red blood cell formation, DNA synthesis, and neurological function. Deficiency can lead to severe health issues.

Symptoms of B12 Deficiency

Symptoms of B12 deficiency include fatigue, weakness, pale skin, shortness of breath, dizziness, and tingling in the hands and feet.

Cognitive and Mood Changes

B12 deficiency can cause memory problems, difficulty concentrating, mood swings, and even depression due to its role in brain health.

Gastrointestinal Symptoms

Digestive issues like nausea, loss of appetite, and weight loss can occur. Some people may also experience a swollen, inflamed tongue and mouth ulcers.

B12 Levels in Healthy Individuals

A healthy individual should maintain a B12 level of 200-900 pg/mL. Levels below 200 pg/mL indicate a deficiency needing medical attention.

Sources of Vitamin B12

B12 is primarily found in animal products like meat, fish, eggs, and dairy. Vegetarians and vegans should consider fortified foods or supplements.

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