Vitamin B12 is crucial for keeping our energy levels up, brains sharp, and bodies functioning smoothly
Private clinics offering B12 injections for wellness purposes operate outside NHS prescribing guidelines, and patients should exercise caution regarding unsubstantiated health claims
These situations affect only a small number of people
Where results are borderline, measurement of methylmalonic acid (MMA) or holotranscobalamin (active B12) may help clarify the picture, as recommended in NICE CKS guidance on B12 and folate deficiency anaemia
Most people tolerate B12 injections well
As a student of nursing, I had become very acquainted with the nervousness that came with performing certain tasks under the scrutiny of professors, veteran nurses and other supervision