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Whether youre looking to boost your energy or fill a dietary gap, B12 plays an essential role in keeping your body running smoothly
In some cases, the amount you need might exceed the capacity of your syringe, making it difficult, or even impossible, to measure and inject the right dose accurately
Each small line represents 1 unit
Metformin: This diabetes medication might impair vitamin B12 absorption in some people
But before rolling up your sleeve, stop and ask, what else comes with it
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