where is vitamin b12 injection administered Shots at Home: How, & How Often to Inject Yourself B12 Injections for Energy: Benefits

This injection should be stored in a dry place to maintain its efficacy

Tingling Sensation in Hands and Feet Pins and needles sensation is a warning sign of nerve involvement due to Vitamin B12 deficiency

Indications: In disorders requiring parenteral administration of vitamins, that is, pre- and postoperative treatment, when requirements increase as in fever, severe burns, increased metabolism, pregnancy, gastrointestinal disorders that interfere with the intake or absorption of vitamins, diseases prolonged or debilitating, alcoholism and where other deficiencies exist

Trends in Endocrinology & Metabolism 28(5):340-353