Without any barriers or extra steps to deter it, your body is able to absorb between 15-97% of the B12 vitamins from the injection
Talk to your doctor before starting if you: Are allergic to B12 Have optic nerve issues (optic atrophy) Have blood in urine or polycythemia Are pregnant, breastfeeding, or trying to conceive Have low iron or folate, or an active infection Dosage, Concentration, Route of Administration Dosage: Always follow the guidance of a licensed medical provider for the correct dosage
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
Assessing the Good, Bad, and Alternative
Unlike most compounds in this catalog, it survives being taken by mouth