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Instead, recalculate your dosing based on the actual concentration
For people who dont absorb B12 well, or those whose want to make sure beyond reasonable doubt that theyre getting an ample dose quickly, B12 shots are available via prescription, says Richard Foxx, M.D., a board-certified physician who treats hormonal disorders and nutritional deficiencies
If your levels were very low, the change can feel more obvious during those first couple of days
Higgins JPT, Thomas J, Chandler J et al (2021) Cochrane handbook for systematic reviews of interventions version 6.2 Sterne JAC, Savovi J, Page MJ et al (2019) RoB 2: a revised tool for assessing risk of bias in randomized trials
While there's no upper limit to how much vitamin B12 you can take, there are general dosage recommendations
Can vitamin B12 injections from India be exported internationally
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