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Vitamin B12 injections help boost your energy by supporting the production of red blood cells and improving oxygen transport throughout the body
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Food and Drug Administration (FDA) doesnt require supplements to be proven safe or effective before theyre sold
That is a genetic-knockdown study in mice, not a drug trial: it tells you the target is real and metabolically meaningful in an animal model, but it does not test a drug, a dose, or a route
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