This is especially true of B Complex vitamins that can have absolutely ridiculous levels, like 25,000% of the RDV
[19] [4] Hydroxocobalamin can be injected intramuscularly to treat vitamin B 12 deficiency
Once your levels have stabilized, you may move to a maintenance phase, which could involve one injection every four to eight weeks
Unlike other vitamins, the absorption of vitamin B12 depends on a protein produced in the stomach called intrinsic factor
It's important to note that your body typically excretes excess B12 through urine, making a true overdose unlikely
Vitamin B12 deficiency treatment Treating the underlying cause Any specific cause of vitamin B12 deficiency must be addressed, eg, improving diet to increase vitamin B12 intake, stopping or changing any medicine that is causing vitamin B12 deficiency, or stopping recreational use of nitrous oxide