Author: Ellen Landes

Vitamin B12 is crucial for brain function, DNA production, and red blood cell formation. A deficiency in this nutrient often points to dietary or absorption issues—but can vitamin b12 deficiency be a sign of cancer​? This question has drawn growing attention in medical research, as B12 deficiency may, in some cases, reflect underlying cancers, particularly in the digestive system or blood. Understanding the Biological Role: Can Vitamin B12 Deficiency Be a Sign of Cancer? To explore the question, can vitamin b12 deficiency be a sign of cancer​, we must first understand what B12 does. It supports the nervous system and…