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Results Over the study period, 100 patients were initially enrolled
As awareness of B12 deficiency grows, many people consider supplementation options to restore healthy levels
In fact, some athletes take supplements of vitamin B12 before big games or competitions
Those with a faster metabolism or severe deficiency might notice the benefits waning more quickly, typically within one to two weeks, especially regarding the energy-boosting effects
This means they might need different amounts of B12 than others
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