While it's unlikely that your symptoms are caused by the condition, there are still many people that have a lack of B12.

"Vitamin B12 deficiency can be slow to develop, causing symptoms to appear gradually and intensify over time," it said.

Given the array of symptoms a vitamin B12 deficiency can cause, the condition can be overlooked or confused with something else.

If you have a B12 deficiency, and you have a swollen tongue, it may appear as if your taste buds have disappeared.

It's caused by a condition known as glossitis, which has been linked to a B12 deficiency

The condition is more likely to be caused by a B12 deficiency if it's accompanied by any of the more common symptoms

You should speak to a doctor if you’re worried about vitamin B12 deficiency symptoms