what to expect after a b12 injection Why do I feel worse injection? B12 Shots: Benefits, Uses, Safety,

Strong evidence, from decades of treating individuals with inborn errors of B 12 metabolism, supports the safety of parenteral, lifelong, even high dose hydroxocobalamin, sometimes even at very high doses

In some cases, you may not experience any relief from your symptoms following your first set of injections

The experiments revealed that AdoCbl treatment could prevent the death of dopamine-producing nerve cells and prevent the manifestation of symptoms associated with neurodegeneration

It should also be noted that there is no report of B12 toxicity

The only way to know for sure is to ask your doctor for a blood test