What are the signs of a Vitamin B12 deficiency?

Signs of deficiency include:

• extreme tiredness

• feeling faint

• lack of energy

• headaches

• pins and needles

• muscle weakness

• depression and cognitive problems

Anaemia can occur when a lack of B12 or folate affects our body’s ability to produce enough red blood cells.

A lack of B12 can also lead to a raised blood levels of an amino acid called homocysteine which, at high levels, is linked to heart disease.