how long does b12 injection take to work Are Vitamin Shots Right for You? How Long Does It Take

Who can give B12 injections matters here, it should always be a qualified professional, not a DIY job

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

theoretical risks include increased hypoglycaemia, unpredictable cardiovascular effects, and compounded uncertainty from two incompletely characterised compounds

Vitamin B-12 Injections vs

Rapid rise in the blood: Within hours of the injection, the B12 level in your blood rises significantly, giving your body the raw material it has been missing