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The main evidence involves cells, rats and mice
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Always follow your healthcare providers instructions, ensure sterility during use, and be aware of potential side effects, particularly if youre allergic to preservatives or treating infants
Whether youre dealing with a deficiency or looking to boost your energy and mental clarity, B12 injections can make a significant difference
For a broader look at what B12 does beyond energy including its role in nerves, methylation, and brain health see our complete vitamin B12 benefits guide
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