A provider can help set the right schedule for you
quartiles were computed in Microsoft Excel and the upper range for outliers was set at quartile 3 + (1.5 the IQR), and the lower range was set at quartile 1 (1.5 the IQR)
Risk factors that should prompt consideration of B12 deficiency include advancing age (reduced stomach acid production), strict vegan or vegetarian diets, pernicious anaemia, gastrointestinal surgery (particularly gastric bypass or ileal resection), long-term use of certain medications (metformin, proton pump inhibitors, H2-receptor antagonists), nitrous oxide exposure (including recreational use), and conditions affecting the gut such as Crohn's disease or coeliac disease
This vitamin is essential for several body processes that are necessary for daily life
PMID 20629351
An injection site can feel painful or uncomfortable, or you may feel mild nausea or dizziness for a short period of time