how do b12 injections make you feel Best Vitamin Injection Site: Administering B12 Shots Why Do I Feel Worse

Possible side effects include: Mild pain, redness, or swelling at the injection site Headache or dizziness (usually transient) Nausea (uncommon) Hypokalaemia (low potassium) during initial treatment, particularly in severely deficient patientsthis is rare but may require monitoring [1] [5] When to seek medical advice: Serious adverse reactions are extremely rare

Serious Side Effects : In rare cases, GLP-1 injections can cause pancreatitis or gallbladder issues

Dinh Tran, MD

Methylcobalamin is the more potent form of vitamin B12 and used by your body to maintain a number of organ systems, metabolize cells, and even supportive of brain functions