If your dose is supraphysiologic (between 1100 and 1500 mg), you may experience mood swings, high blood pressure, headaches, and an enlarged prostate
You can give the shot at a 90-degree angle if 2 inches of skin can be grasped between your thumb and first (index) finger
But, serious side effects are rare
Here are some common side effects- Common side effects Pain, redness, or swelling at the injection site Mild diarrhea or upset stomach Nausea or vomiting Dizziness Headaches Rare but serious side effects Allergic reaction, including itchiness, hives, difficulty in breathing, or swelling on the face, lips, and throat Irregular heartbeat It is essential to consult with a healthcare provider before starting vitamin B12 injections to ensure they are appropriate for your specific health needs and to receive proper administration guidance
You will likely see better results from injections if: You have digestive issues like IBS, Crohns, or Celiac disease
The precursor provides raw material for NAD+ synthesis while 5-amino-1mq prevents NNMT from draining the nicotinamide pool