Fatigue is one of the most common signs of a vitamin B12 deficiency, but its not the only one
Once you begin treatment, many patients notice improvement after just one injection
You may also be more likely to develop vitamin B-12 deficiency if you have: Atrophic gastritis, in which your stomach lining has thinned Pernicious anaemia, which makes it hard for your body to absorb vitamin B12 Conditions that affect your small intestine, such as Crohns disease, celiac disease, bacterial growth, or a parasite Immune system disorders, such as Graves disease or lupus Been taking certain medications that interfere with the absorption of B12
B9 (Folic Acid) Folic acid is crucial for cell division and DNA formation, making it especially important during pregnancy
Feb 24, 2026 You checked the vial