Vitamin B12 Deficiency Symptoms

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Vitamin B12 is an essential nutrient that your body needs for processes such as DNA synthesis, energy production, and brain and central nervous system function. It plays an important role in the formation of red blood cells. It plays an important role in the metabolism of every cell in the body as well as in DNA synthesis. Vitamin B12 deficiency can cause anemia, fatigue, nerve damage, and other problems.

Causes of Vitamin B12 Deficiency

Symptoms of Vitamin B12 Deficiency

Vitamin B12 plays an important role in bodily functions and a deficiency can cause a variety of symptoms. Symptoms can vary depending on the severity and duration of the deficiency. Some common symptoms include fatigue, weakness, nerve damage, constipation, loss of appetite, weight loss, depression, and anemia.

Fatigue and weakness occur because B12 is needed to produce red blood cells that transport oxygen throughout the body. Nerve damage can occur because B12 is important for maintaining the health of the nervous system. Depression and anemia can also occur because B12 is needed for DNA synthesis and the production of neurotransmitters.

Common Symptoms of Vitamin B12 deficiency are:

Summary

Vitamin B12 supplements can interact with certain medications, such as metformin used for diabetes, proton pump inhibitors used for acid reflux, and some antibiotics. Taking more than the recommended dose of vitamin B12 can cause side effects such as acne, diarrhea and upset stomach. While vitamin B12 is generally considered safe, long-term use of high doses can cause skin reactions and problems such as anemia.