For people who dont absorb B12 well, or those whose want to make sure beyond reasonable doubt that theyre getting an ample dose quickly, B12 shots are available via prescription, says Richard Foxx, M.D., a board-certified physician who treats hormonal disorders and nutritional deficiencies
In life-threatening cases, 5,000,000mcg of B12 is given directly to the veins within a 15 minute window
Vitamin B12 Shots At PointInfusion Energize, Improve, Thrive Are you feeling low on energy or having trouble concentrating
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Withdraw the needle and apply pressure to the injection site using gauze, a cotton ball, or a bandage