Who needs B12 shots?
The normal human body can store at least a two-year supply of vitamin B12 in the liver, so nutritional deficiencies are uncommon. According to the National Institutes of Health (NIH), individuals who may need supplemental vitamin B12 include: those with pernicious anemia, which damages the body’s ability to process the vitamin; those who have undergone bariatric weight-loss or other gastrointestinal surgery; and strict vegetarians or vegans. Other claimed benefits B12 may be promoted for use by the average person to increase energy, improve cardiac health and brain function, decrease stress and even beautify skin. According to both NIH and MayoClinic.com, these benefits have not been scientifically proven. Common side effects The following potential side effects of B12 shots are common. According to health care provider, Kaiser Permanente, they include: * Mild diarrhea * Upset stomach * Nausea * A feeling of pain and warmth at the injection site * A feeling of being swollen over the en
