As a part of the vitamin B family, vitamin B-12 is a water-soluble vitamin. It has frequently referred to as the energy vitamin. It plays a role in the health of the nervous system and has been known to fight off symptoms of dementia and may prevent the onset of Alzheimer’s disease. Vitamin B-12 injections are readily absorbed by the body as compared to oral vitamins which are partially destroyed by the digestive tract resulting in reduced efficacy. It’s use may increase energy, prevent fatigue, and increase metabolism to help burn calories and stimulate proper utilization of fats and carbohydrates in the body. It also promotes mental alertness and improves overall stamina for everyday activities.