does b12 injection affect covid vaccine COVID-19 Side Effects and Safety The Benefits of Vitamin B12
Description
First you will see a report from 1971 that in a study on excessive prescribing, B12 treatment was singled out, possibly due to the idea that GPs were giving patients B12 injections, willy nilly as a tonic

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It doesn't

This can prevent the adverse effects that may come if you have no deficiency to correct

This work was supported by the Department of Defense Peer Reviewed Medical Research Program grant PR141776 (S.J.W.), University of Texas Medical Branch Technology Commercialization Award (S.J.W), and NIH grant R01GM112936 (C.C.F)

References Misra M
