Vitamin B12 is involved in the metabolism of every cell of the human body. It is particularly important in the normal function of the nervous system and in the development of red blood cells in bone marrow.
A deficiency in Vitamin B12 can cause a wide range of problems, including:
– Extreme tiredness;
– Low energy levels;
– Pins and needles;
– Mouth ulcers and sore tongue;
– Muscle fatigue;
– Interrupted vision;
– Confusion and depression; and
– Brain clarity (memory, cognitive function).
The normal reference range for Vitamin B12 is:
* Reference ranges provided by The Doctors Laboratory (TDL) and subject to change if/when methods are re-standardised from time to time.