IM is traditional for rapid absorption
If you suspect this is the root cause of your B12 deficiency, I recommend ordering a GI-MAP test to confirm this is indeed the case
Interactions with Other Drugs Vitamin B12 can interact with several medications, so inform your healthcare provider about all the drugs you are taking
And when there are symptomsthings like fatigue, tingling hands, and feet, dizziness, and memory losstheyre often so non-specific that doctors wont always flag B12 deficiency as an obvious cause
Compounded medications are typically not covered by insurance
Beta-3 adrenergic receptor density and responsiveness vary based on genetics, prior weight loss history, and current metabolic health