At this concentration, a 4mg dose requires a full 2mL injection, which is uncomfortably large and will likely hurt at the injection site
Cytotherapy, 18 (8), 10371042
a healthy gut
Loading phase (deficiency): 1000 mcg IM or subQ daily or every other day for 1 to 2 weeks Maintenance: 1000 mcg monthly is a standard maintenance dose for conditions like pernicious anemia Wellness protocols: may use lower doses weekly, though this is less established clinically In ml: cyanocobalamin is typically supplied at 1000 mcg/ml, so a 1000 mcg dose equals 1 ml
Claims of direct fat loss from B12 injections are not supported by clinical evidence
If you do continue a daily multivitamin, separate it from any interactions, for instance, dont take other vitamins at the exact same time as certain medications like tetracycline antibiotics (all B vitamins can bind with tetracycline in the gut and reduce its absorption)