b12 injection versus tablets Vitamin Injections vs. Supplements: Which is Right for You? Oral vitamin B12 versus intramuscular
Description
You might notice mild redness or soreness at the injection site

A number of outcome measures were utilised in this study, but the outcome of concern to the present review was the McGill Pain Questionnaire
doi: 10.1158/1078-0432.CCR-14-0695

Grace ND, West DM, Sargison ND
Other uses of cyanocobalamin include treating memory loss, fatigue, neurological disorders, depression, and fatigue associated with certain chronic conditions such as HIV and diabetes

Scientists study its effects on adipocyte function, lipid mobilisation, and metabolic regulation without the IGF-1 elevating effects of full growth hormone
