how to give a vitamin b12 injection Injections Treating Severe Vitamin B12 Deficiency

However, other vitamins and nutrients, especially when delivered via injection, can play a supportive role for individuals who genuinely need to increase their body mass in a healthy way

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

Norepinephrine dysregulates the immune response and compromises host defense during sepsis

For a deeper dive into how it works, you can check out our guide on how to test for B12 deficiency at home

Note that the numbers in parentheses (1, 2, etc.) are clickable links to medically peer-reviewed studies

For laboratory research use only not for human or veterinary use