Public Health Division of the Welsh Government reply We have received a reply from the Public Health Division of the Welsh Government re-assuring us that stocks of vitamin B12 injections are not affected by the current situation with COVID-19, and that when a patients has made an appointment, an assessment needs to be made on the day to determine whether the patient has any of the symptoms of infection
Potency: Is it dosed correctly, or is it under-dosed and ineffective
Bynum JPW, Meara E, Chang CH, Rhoads JM
Many conditions cause similar symptoms, and inappropriate supplementation may mask underlying diagnoses whilst providing no benefit
PubMed Pickart, L., Vasquez-Soltero, J.M., & Margolina, A