Vitamin B12 is an essential nutrient that plays a key role in the creation of red blood cells, the health of the nervous system, and the production of DNA.

Since our body is not capable of producing this important nutrient, it must be obtained from our diet or from supplements. Vitamin B12 is found naturally in animal products like meat, poultry, fish, and dairy products. However, a number of people around the world are deficient in vitamin B12, which can cause a range of symptoms, including neurological problems and anemia.

Here’s how to recognize the symptoms of vitamin B12 deficiency:.

Symptoms of Vitamin B12 Deficiency

1. Fatigue

One of the most common symptoms of vitamin B12 deficiency is fatigue or low energy levels.

Since vitamin B12 plays a crucial role in the production of red blood cells, a lack of this nutrient can cause anemia, which makes it harder for the body to carry oxygen to the cells. This can lead to fatigue, weakness, and lethargy.

2. Pale Skin

Another symptom of anemia caused by low levels of vitamin B12 is pale skin. The lack of oxygen in the cells makes them appear pale, which can be especially noticeable in areas like the face, palms, and nail beds.

If you notice that your skin looks paler than usual, even if you haven’t been in the sun, it could be a sign of vitamin B12 deficiency.

3. Shortness of Breath

Since vitamin B12 is essential for the creation of red blood cells, a deficiency in this nutrient can cause anemia, which can lead to shortness of breath or difficulty breathing.

This is because the body is not able to carry enough oxygen to the cells, which can make even simple activities like walking up a flight of stairs feel exhausting.

4. Tingling or Numbness

Vitamin B12 is also important for the health of the nervous system. A deficiency in this nutrient can cause nerve damage, which can lead to tingling or numbness in the fingers and toes.

This sensation, known as paresthesia, is usually described as a sensation of pins and needles.

5. Difficulty Thinking and Remembering

The nervous system relies on vitamin B12 to function properly, so a deficiency in this nutrient can also affect cognitive function. People with low levels of vitamin B12 may experience difficulty thinking, problems with memory, and confusion.

In severe cases, vitamin B12 deficiency can lead to dementia and other neurological disorders.

6. Depression

Vitamin B12 is also important for the production of serotonin, a neurotransmitter that regulates mood. A lack of this nutrient can lead to depression and other mood disorders.

In fact, studies have found that people with low levels of vitamin B12 are more likely to experience symptoms of depression.

7. Loss of Appetite

A common symptom of vitamin B12 deficiency is a loss of appetite. This can be caused by several factors, including the changes in the digestive system that can occur when the nervous system is not functioning properly.

People with low levels of vitamin B12 may also experience weight loss and digestive problems.

8. Vision Problems

Since vitamin B12 is essential for the health of the nervous system, a deficiency in this nutrient can affect the function of the eyes.

In some cases, people with vitamin B12 deficiency may experience vision problems including blurred or double vision, or even blindness in severe cases.

9. Mouth Ulcers

Another symptom of vitamin B12 deficiency is the presence of mouth ulcers. These can appear anywhere in the mouth, including on the tongue, gums, and cheeks. They can be painful and difficult to heal, and may be a sign of a more serious deficiency.

10. Heart Palpitations

In rare cases, vitamin B12 deficiency can lead to heart palpitations or an irregular heartbeat. This is because the lack of oxygen that results from anemia can put additional stress on the heart, leading to palpitations or arrhythmias.

Conclusion

If you experience any of these symptoms, it’s important to see a doctor. A simple blood test can determine if you have a vitamin B12 deficiency, and your doctor can recommend supplements or dietary changes to address the problem.

Left untreated, a vitamin B12 deficiency can lead to serious health problems, so it’s important to address it as soon as possible.