4 alarming symptoms of vitamin B12 deficiency you can’t ignore!

3. Oral and Gastrointestinal Symptoms

Deficiency can also manifest in the mouth and digestive system:

• Glossitis: A swollen, inflamed tongue that may appear smooth and red.
• Loss of Appetite: A decrease in hunger can lead to weight loss.
• Digestive Issues: Symptoms like diarrhea or constipation may occur.