Variants in the ATPbinding cassette transporter (ABCA7), apolipoprotein E epsilon 4, and the risk of lateonset Alzheimer disease in African Americans
But since B12 is important for your overall health, you should prob up your intake anyway
On the other hand, vitamin injections can cause localized side effects such as pain and redness at the injection site, as well as mild diarrhea and itching
Easy to Monitor : The thigh is relatively easy to monitor, and many people find it easy to control the injection angle, making it more manageable
[DOI] [PMC free article] [PubMed] [Google Scholar] 132.Knezevic M., Gojkovic S., Krezic I., Zizek H., Malekinusic D., Vrdoljak B., Vranes H., Knezevic T., Barisic I., Horvat Pavlov K., et al
Neurology 2008, 71(11):826-832 Sahu P, Thippeswamy H, Chaturvedi SK