Feeling Tired or Forgetful? These 5 Signs Could Point to Vitamin B12 Deficiency

Vitamin B12 plays an important role in red blood cell production, nerve function and several processes that support the brain and nervous system. When the body doesn't get enough of this vitamin, symptoms can develop gradually and may sometimes be mistaken for ordinary tiredness or stress.

A doctor has highlighted five possible warning signs that shouldn't be ignored, particularly when several of them occur together.