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Vitamin B12 shots treat B12 deficiency; they are often sold for energy and weight loss, but they have not been shown to cause weight loss.
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Vitamin B12 is needed to make red blood cells and keep nerves healthy.
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B12 helps people who are deficient, but it is not a weight-loss treatment.
Vitamin B12 shots treat B12 deficiency; they are often sold for energy and weight loss, but they have not been shown to cause weight loss.
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