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Proponents of B12 shots state that they turbocharge the metabolism (make you thinner), strengthen the immune system, and help cure fatigue, insomnia, and even depression
Maintaining adequate levels of vitamin B12 is important not only for physical health but also for cognitive function, mood stability, and overall vitality
If there is no deficit or the symptoms are mild, weekly dosage may not be necessary
But having a low B12 level or a vitamin B12 deficiency can cause physical, neurological and psychological issues
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