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Higher within normal appears safe and may provide margin against future decline
Yes, the dose and how often B12 shots are given can change
So, if you're feeling unwell due to a deficiency, restoring B12 levels might help you feel well enough to eat normally, but it's not "making" you gain weight in an unhealthy way
An In-Depth Look at How Vitamins Work Your body relies on vitamins to carry out necessary functions every day
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