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
A simple journal can help a clinician determine whether symptoms are improving, stable, worsening, or connected to a dose change
Fatigue and energy changes Tiredness on tirzepatide is reported by many users, particularly during caloric restriction
You can choose between liquid or capsules, depending on what is easier for you and how you want to absorb it