Vitamin B12 Deficiency: Causes, Symptoms, and Treatment

of your central nervous system (your brain and spinal cord). It also helps keep your hair, nails, and skin healthy.

Bone and red blood cell health

You need B12 to make healthy red blood cells, white blood cells, and platelets. Every day, about 1% of your oldest red blood cells are destroyed and replaced. New red blood cells need vitamin B12 and folate continue reading …