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Thu 22 Jan 2026 • 23:56

Signs of Vitamin B12 Deficiency: Glossitis and Mouth Ulcers

Signs of Vitamin B12 Deficiency: Glossitis and Mouth Ulcers

Vitamin B12 plays a vital role in numerous bodily functions, and a deficiency can lead to various symptoms that affect overall health. Among the indicators of insufficient levels of this crucial vitamin are two specific signs that can manifest in the mouth.

The first sign is a smooth, swollen tongue, also known as glossitis. This condition may cause discomfort or pain and can affect the sense of taste. Experts suggest that individuals experiencing this symptom should consider their dietary intake of vitamin B12, as it may suggest a deficiency.

Another sign to look out for is mouth ulcers, which can develop due to the body's inability to process certain nutrients, including vitamin B12. These painful sores can make eating and speaking uncomfortable, further highlighting the importance of maintaining adequate vitamin levels.

Health professionals advise that if these symptoms are present, a consultation with a GP or a health expert might be warranted to evaluate vitamin intake and overall health.

This article is for general information only and is not a substitute for professional medical advice. Always speak to a GP or qualified health professional about your own health.