injection instructions for methyl-b12 shots B12 at Home: How, Where & How Often to Inject Yourself Best Vitamin B12 Injection Site:

The reason is that if it is injected into veins a portion of the shot may pass out of the body through urine

Call your health care provider immediately if you are experiencing any signs of an allergic reaction: skin rash, itching or hives, swelling of the face, lips, or tongue, blue tint to skin, chest tightness, pain, difficulty breathing, wheezing, dizziness, red, swollen painful area on the leg

Mood Regulation: Vitamin B12 is involved in synthesizing and metabolizing serotonin, a chemical responsible for regulating mood, potentially helping to improve mood and reduce the risk of depression

FAQs What is Hydroxocobalamin