For those still nervous about discomfort, try applying an ice pack to the injection site for 1-2 minutes beforehand
Mechanistically and clinically, theyre not close cousins
While toxicity is rare, excessive intake of certain B vitamins (particularly B or B) from multiple sources could increase the risk of side effects (like niacin flush or peripheral neuropathy)
B12 shots for malabsorption or dietary restriction Vegans, vegetarians, older adults, and people with GI conditions (Crohn's disease, celiac disease, pernicious anemia) commonly have inadequate B12 absorption
Typical injection spots are: The abdomen , a couple of inches away from the belly button The outer thigh The back of the upper arm These are easy for self-injections too but again, only once a professional has shown you how to do it correctly