There are many signs and symptoms of vitamin B12 deficiency. According to the UKs National Health Services (NHS), here are some tell-tale signs of vitamin B12 deficiency.
- A pale yellow tinge to your skin
- A sore and red tongue (glossitis)
- Mouth ulcers
- Pins and needles (paraesthesia)
- Changes in the way that you walk and move around
- Disturbed vision
- Irritability and depression
- Changes in the way you think, feel and behave
- A decline in your mental abilities, such as memory, understanding and judgment (dementia)