where are b12 injections given on the body What gauge and length needle should be used for an intramuscular vitamin injection in an adult? Ivy Grove Surgery : Self-administration

Se presenta comnmente con dolor e inflamacin, sumado a sensibilidad en la parte externa del codo, y puede propagarse desde el brazo hasta la mueca e incluir una limitacin en la extensin del codo o prdida de fuerza

You can also read our guide to Vitamin B12 optimization to learn more

Common side effects associated with the B-12 shot include soreness at the injection site, diarrhea, swelling and itching

Image: Dragana Gordic/Getty Images About the Authors Toni Golen, MD, Editor in Chief, Harvard Women's Health Watch

Your body also needs B12 to make red blood cells, which ferry oxygen to your tissues, a process thats needed to feel strong and energized throughout the day