Back to today’s briefing

Story perspectives

Spotting Vitamin B12 Deficiency: Key Oral Warning Signs

9/27/2025

33 5

Summary

Story summary

Vitamin B12 deficiency is common and can have serious health consequences.
Discrepancies between countries complicate the diagnosis of B12 deficiency.
Dr. Sandip Sachar, a Manhattan dentist, identifies four key oral signs.
The first sign is angular cheilitis, causing painful cracks at mouth corners.
The National Health Service (NHS) advises seeing a GP if a B12 or folate deficiency is suspected.

1 of 1

Story summary

Vitamin B12 deficiency is common and can have serious health consequences.
Discrepancies between countries complicate the diagnosis of B12 deficiency.
Dr. Sandip Sachar, a Manhattan dentist, identifies four key oral signs.
The first sign is angular cheilitis, causing painful cracks at mouth corners.
The National Health Service (NHS) advises seeing a GP if a B12 or folate deficiency is suspected.