A physician prescribes B12 shots. Once you meet with your physician and have a prescription, you can schedule an appointment at a clinic or at a doctor’s office. You may also be able to find B12 kits and administer your own injections, although this isn’t recommended for most people.

Wavebreakmedia / Getty Images
This site offers information designed for educational purposes only. You should not rely on any information on this site as a substitute for professional medical advice, diagnosis, treatment, or as a substitute for, professional counseling care, advice, diagnosis, or treatment. If you have any concerns or questions about your health, you should always consult with a physician or other healthcare professional.