how to take b12 injection at home Shots Home: How, Where & Often Inject Yourself How to Give a B12

B12 is only found in animal-based products so those who adhere to a vegetarian or vegan diet are at higher risk of developing a deficiency

By subcutaneous (under the skin) injection to be given into the anterior half of the neck

B12 for mental clarity is more than just a bonus

According to WebMD, The more common B12 injection side effects are: Swelling at the injection site Mild dirhhea Itching Swelling in the body Low potassium (weakness, irregular heartbeat) There is a case report of an anaphylactic reaction to a B12 injection in a 55 year old women receiving cyanocobalamin, but these reactions are thought to be rare