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can b12 injection give you diarrhea Injections: Who Should Get Them and How Long Do They Last? B12 Shots at Home: How,
Description
Inform your doctor if you are pregnant, planning to become pregnant, or breastfeeding

An update on vitamin B 12 -related gene polymorphisms and B 12 status Genes Nutr 2018;13:2

It is an unapproved investigational compound that did not complete clinical development, has not been authorized by Health Canada for any human or veterinary indication, and is not intended to diagnose, treat, cure, or prevent any disease

Many people choose B12 injections because they are quick, convenient, and bypass the digestive tract for direct absorption