Ma WQ, Sun XJ, Wang Y, Zhu Y, Han XQ, Liu NF
Intramuscular injection has proven to be the most effective method for those with vitamin B12 deficiencies or choosing to boost their levels for other reasons, second only to intravenous which is most often administered under emergency situations
In total, nineteen studies were included in the qualitative synthesis and four in the quantitative analysis, as not all studies provided sufficient data for meta-analysis
McKenna MJ, Medved I, Goodman CA, et al
Many individuals cycle through active treatment and maintenance phases over extended periods
It might be difficult to do everyday tasks like brushing your hair or getting dressed