b12 injections benefits side effects Vitamin Injections: Good or Bad? what happens if you inject

efficacy goal was not met Claim 300500 mcg per day Published human support No controlled human SubQ study Community support Commonly reported How it should be described Community research amount Claim Start at 300 mcg and increase after four weeks Published human support No Community support Commonly reported How it should be described Anecdotal step-up model Claim 8- or 16-week SubQ cycle Published human support No Community support Commonly reported How it should be described Community timeline only Claim Use beyond 24 weeks Published human support No Community support Scattered reports How it should be described Unsupported by published long-term evidence AOD-9604 is not an FDA-approved drug

B12 injections can interact with several commonly prescribed medications

Although extremely rare, hydroxocobalamin injections can also cause serious side effects such as a major allergic reaction or irregular heartbeats (palpitations)

Maintenance Phase: After the first month-and-a-half, transition to weekly or biweekly injections to sustain that energy, help you power through workouts, and keep your metabolism revved