Using B12 injections outside clinical necessity exposes patients to unnecessary risks without proven benefit
"I'd say maybe only a handful of people at most in the last 10 years have I ever actually thought would benefit from B12 injections." As to why some physicians would be needlessly prescribing B12 shots, he said, "It may be just habit
Vitamin B12 shot side effects Most people tolerate vitamin B12 injections well, but possible side effects include: Mild: soreness or redness at injection site, mild diarrhea, nausea, headache, itching Rare but serious: allergic reactions (rash, swelling, difficulty breathing), low potassium (hypokalemia), dizziness or heart rate changes Get emergency medical help if you have signs of an allergic reaction to Vitamin B12: hives
B12 shots deliver a concentrated dose of cobalamin directly into muscle tissue, making them especially valuable for individuals with absorption disorders