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They play a role in healthy blood cells, energy production, and nerve function preservation
The effect is not forceful or synthetic
In addition to the cost of the injections themselves, there may be fees for the administration of the shot, especially if done at a healthcare facility
While additional studies are needed to determine whether elevated vitamin B 12 status may be related to cancer development, including evaluating whether it might be a potential marker of cancer, it is important for observational studies to adequately control for potential confounders, such as age, menopausal status, alcohol use, and intake of the B-vitamin folate
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