"Vitamin B12 Intake From Animal Foods, Biomarkers, and Health Aspects"
When pregnant women and women who breastfeed their babies are strict vegetarians or vegans, their babies might also not get enough vitamin B12
Intramuscular (IM) B12 injections using hydroxocobalamin, the preferred licensed form in the UK are recommended when: Oral supplementation has failed to correct a documented deficiency The patient has difficulty adhering to daily oral regimens Serum B12 levels remain persistently low despite adequate oral dosing There is clinical evidence of neurological or haematological complications In line with BNF guidance, the standard IM regimen for confirmed deficiency without neurological involvement is a loading course of 1 mg hydroxocobalamin on alternate days for two weeks , followed by maintenance of 1 mg every three months
Others find this increases lightheadedness or nausea
B12 is water soluble, which means B12 doesnt build up in your system once youre at the appropriate amount for your body you will just eliminate any extra, so theres very little risk of an overdose
The vial should be sealed tightly