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Vitamin B12 (cobalamin) intramuscular injections are becoming more and more popular these days with celebrities, politicians, and people on the go opting for them over their usual caffeine fix.

Vitamin B12 boost energy level or stamina and can even help to speed up metabolism. Having improved energy benefits mood, helps the body overcome chronic fatigue, and can also improve an individual’s level of physical activity. Many benefits reported by persons who routinely receive Vitamin B12 injections include: improved sleep, reduced allergies, reduced stress and depression, improved mood, and less frequent or severe headaches. A Vitamin B12 injection contributes to healthier immune system, and is essential for proper cellular function, including the making of DNA during cell division and the proper formation of red blood cells.

Vitamin B12 is the only vitamin not readily absorbed by the stomach or intestinal tract, so an injectable form is extremely beneficial, especially for strict vegans or those who have a known deficiency. People with chronic fatigue or anemia may require weekly injections (for a few weeks) of vitamin B12 usually because the oral form is less dependable. Vitamin B12 injections are most effective when taken at regular intervals, usually monthly; however, a regular schedule to receive the injections can be customized to each individual by a physician or nurse practitioner.

Typically within 4 to 6 days of receiving a B12 injection, most people experience an increase in their energy level or stamina.