Vitamin B12 plays a vital role in keeping your body healthy — it supports red blood cell formation, nerve function, and brain health. Yet, many people are unaware they’re running low on this essential nutrient until serious symptoms appear. Because the signs of a B12 deficiency often develop gradually and mimic other conditions, it can easily go unnoticed for months or even years.
Vitamin B12 deficiency is often overlooked because its symptoms develop slowly and can be confused with other health problems. However, if left untreated, B12 deficiency can lead to more serious health problems. Here are some signs of vitamin B12 deficiency that people often ignore:
