How can a B12 deficiency be identified?

Should you be experiencing any troubling symptoms, do speak to your doctor.

Based upon your discussion surrounding how you feel, and anything unusual that you have been noticing, a blood test can confirm whether you are deficient or not in the vitamin.

The blood test will check in a number of ways. Firstly, whether you have a lower level of haemoglobin than normal.

To note, haemoglobin is a substance in red blood cells that transports oxygen around the body.

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