vitamin b12 injection site deltoid Where to administer shots, arm or thigh? What is the best site
Description
Although instructions for patients are supplied with individual bottles, procedures for use should be demonstrated to each patient.
Vitamin B12 and folate status in cognitively healthy older adults and associations with cognitive performance

Theranostics 13 , 50755098 (2023)
Cobalt deficiency in soil and/or pasture leads to a lack of vitamin B12 in body tissues of stock

It is commonly used as a supplement for people suffering from pernicious anemia
However, this remains a hypothesis that must be tested in clinical trials
