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If appropriate, a licensed medical provider can review your symptoms, health history, and any relevant lab work to determine whether vitamin B12 support may be a suitable option for your needs
I don't think there are any easy answers, sorry
While B12 plays important roles in cell metabolism, it has not been shown to directly enhance energy in people without a deficiency
You start low and increase gradually
A follow-up study in the same journal examined daytime performance in partially sleep-restricted volunteers who received glycine supplementation
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