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
Wash your hands and fingernails with soap and warm water for no less than 20 seconds
B12 is also crucial in the prevention of a type of anemia that can leave you feeling tired and out of energy
By boosting cellular energy and promoting fat metabolism, 5-Amino-1MQ helps you feel stronger, more confident, and in control of your wellness