If you have a Vitamin B12 deficiency, you are likely to feel tired frequently and often for no real reason.
"Pins and needles” in feet and hands might be caused due to lack of Vitamin B12, which plays a crucial role in the nervous system.
After a prolonged time, peripheral nerve damage can lead to problems in walking and other movements.
Jaundice, marked by pale or yellow skin, can be a symptom of vitamin B-12 deficiency.
To make up for the reduced number of red blood cells in the body due to vitamin B12 deficiency, your may start to beat faster.
Vitamin B-12 deficiency can lead to anemia and cause a person to feel breathless. A lack of red blood cells and a fast heartbeat are the reasons behind this.
Neurological side effects can be caused due to Vitamin B12 insufficiency and deficiency and headaches are a common symptom.
Mouth ulcers, burning sensation in the mouth, or glossitis - which leads to swollen, red tongue - can be caused due to Vitamin B12 deficiency.
Inadequate Vitamin B12 in the body can adversely affect a person’s mood and can cause irritability or even depression. But more research is needed to establish a link between vitamin B12 and mental health.
The digestive tract can be adversely impacted by Vitamin B12. Less oxygen reaches the gut due to lack of red blood cells, this can make a person fall sick and also cause diarrhea.