Contact your GP for B12 testing if you have: Symptoms suggesting deficiency (persistent fatigue, pins and needles, memory problems, glossitis) Risk factors for deficiency (vegan diet, gastric surgery, long-term metformin or proton pump inhibitor use) [1] [4] Concerns about whether your current supplementation dose is appropriate Underlying conditions affecting B12 metabolism (kidney disease, liver disease) Unexplained high B12 levels on a blood test when not taking supplements Routine monitoring is essential for patients receiving therapeutic B12 injections
Make sure you have a proper understanding of the potential risks and side effects before starting
Older children, adolescents and adults may benefit more from CBT, social skills groups, vocational programmes and life skills training
While the 1:1,000,000 dilution was the final point in the calibration curve, the response from some analytes in the assay suggest that quantification at even lower concentrations might be possible
But for other doses, the unit numbers are less clean (33 units for 2.5 mg requires careful measurement)
