They might start with 1,000 mcg daily for a week
What matters for an informed Miami reader is what the evidence supports and what it does not
But for patients who have done the foundational work diet, movement, sleep, lab optimization and are still hitting a wall with fat metabolism or body composition, it may be a worthwhile piece of the puzzle
B12 injections are indicated for patients with documented deficiency, including those with pernicious anaemia, malabsorption disorders, following gastric surgery, or with neurological symptoms suggesting B12 deficiency
3.5 Meta-analysis The included studies showed substantial heterogeneity (I 2 = 99.6%, p 0.05), supporting the conclusion of comparable efficacy and the lack of a clear doseresponse relationship