2 Vitamin B12 plays several important roles in the body, including: 3 Helping to produce energy by converting food into glucose Maintaining healthy nerve function Making DNA, the genetic material in all cells Helping to form red blood cells Helping enzymes to function as a cofactor Controlling homocysteine levels Vitamin B12 deficiency can lead to several health problems, including anemia, nerve damage, and neurologic symptoms such as memory loss and difficulty concentrating
While enthusiasm runs high, the scientific substantiation of B12 shots being a direct method of weight loss is just not that strong
Common side effects include pain or redness at the injection site, mild diarrhea, itching, and swelling
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This standard helps avoid mistakes when giving the shots
Use sterile needles, and never place them on a surface before use