Deficiency is more common than many people realise particularly in those following plant-based diets, individuals with gastrointestinal conditions affecting absorption, and older adults
Unfortunately, these injections are only temporary solutions
How to check for Vitamin B12 deficiency with lab tests: Serum Vitamin B12 levels: should be in the top 75% percentile of the lab reference range (yes even mid-range can still be too low)
Physiological reports, 7(13), e14171
Use it only when no more specific modifier applies, specifically XU (Unusual Non-Overlapping Service), XS (Separate Structure), XE (Separate Encounter), or XP (Separate Practitioner)
Gupta A, Pahal S, Kumar V, Chaudhary A (2025) Role of monoclonal antibodies in Alzheimers disease: successes, failures, and future directions