Key takeaways B12 shots help most when theres a true deficiency or an absorption problem (like pernicious anemia or after GI surgery)
Conversely, those with chronic sinus issues might lean towards injections to ensure proper absorption
Formulation, concentration, and dosing vary from pharmacy to pharmacy and clinic to clinic
There are some nerves running through the shoulder and there is always a slight chance a needle may hit a nerve if the injection location is incorrect
(If opened and stored properly, the vial can often be used for days or weeks usually up to 28 days until the expiration date, as long as sterility is maintained.) Not a Medication By Itself: Bacteriostatic water has no pharmacological effect other than serving as a vehicle
Phase 1: Days 1-15 (1 mg/day) During the first 15 days, the dose is 4 units on an insulin syringe, which equals 1 mg per injection