Three main signs of B12 deficiency were found on the tongue

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Vitamin B12 helps maintain health nerve cells, produce red blood cells and DNA. B12 deficiency can disrupt the transmission of signals between nerves, which causes certain conditions.

When this happens, the first thing that changes is the tongue. According to Winchester Hospital, a tingling or smooth red tongue can indicate a low level of this important vitamin.

Research shows that “glossitis with linear lesions” is also an early clinical sign of vitamin B12 deficiency. In this condition, the tongue swells and hurts. Affected tissue has an abnormal appearance compared to the rest of the skin.

Other symptoms of B12 deficiency include:

• weight loss;
• fatigue;
• pale skin color;
• change in taste;
• confusion;
• mood changes;
• balance problems, especially in darkness;
• dizziness when standing up;
• rapid heartbeat.

How to react

In case of any symptoms of vitamin B12 deficiency, you should consult a doctor. The disease can be diagnosed on the basis of symptoms and a blood test. It is extremely important to detect the condition as early as possible, as some of the effects may be irreversible. “The longer the condition goes untreated, the higher the chance of irreversible damage,” the NHS warned.