how often b12 injections Vitamin Injection Dosage Vitamin B12 Dosages: Your GoodRx
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And so, this brings back our question: How long does a B12 shot last and stay in your system

Rotate injection sites systematically

However, if it's almost time for your next scheduled dose, simply skip the missed dose and continue with your regular schedule

While most people can benefit from a B12 injection, certain groups of people may see more obvious benefits than others: People With Signs Of B12 Deficiency Any person with the signs or symptoms of a B12 deficiency should pay a visit to their doctor, but an injection may still provide them with benefits
