Give your body a natural energy boost with a Vitamin B12 injection and end your dependence on stimulants like caffeine and energy drinks. Whether you are looking to enhance your athletic performance, supplement your diet or manage your B12 deficiency, this vitamin injection can help the deficits. In addition to giving you a natural energy boost, it also helps to strengthen your immune system and improve your quality of life. Vitamin B12 shots can aid your body in regulating your sleep, mood and appetite cycles and give you a boost of energy that lasts. Delivered intramuscularly, the Vitamin B12 injection bypasses the digestive system for immediate effects that leave you feeling energized.