how often can you get a b12 injection Are Shots Safe? Royal Palm Beach Medical Group How Often Can I Take

Handling B12 Vials Safely The vitamin B12 vial itself needs a little prep work, too

50% of the bodys storage of vitamin B12 is kept within the liver, no matter how it is administered, so if the liver is sick, in all likelihood, a person can suffer B12 deficiency

Allergic reactions to proprietary preparations of vitamin B12 might be due to substances added to the solutions as preservatives or for other reasons, to impurities from the production, or to the vitamin B12 itself

One well-documented interaction is with certain anti-epileptic drugs: high-dose pyridoxine may reduce the plasma levels of phenytoin and phenobarbital by enhancing their hepatic metabolism, potentially diminishing their anticonvulsant efficacy