Vitamin B12 is a water-soluble vitamin, also known as cobalamin.
It plays a vital role in brain function and the production of DNA and red blood cells. Chemically, vitamin B12 can exist in a number of different forms, but all of them contain the mineral cobalt. B-12 injections give you more energy and boost your metabolism, helping you shed unwanted pounds.
how safe is it?
Getting large amounts of vitamin B-12 through vitamin B-12 injections wont harm your health. But vitamin B-12 can interfere with the effectiveness of some medications, so if you receive vitamin B-12 injections, be sure to let your doctor know.