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B12 is not a stimulant like caffeine, so it cant suddenly cause you to feel like you have more energy
Now that you have understood about vitamin B12 deficiency, it is time to know how to treat it
While it may provide some additional energy, particularly in those who were B12 deficient in the first place, high-dose B12 is not always recommended
How many you need will depend on several factors, including your age, activity level, physical health, frequency of injections, and how well your body responds to the treatment
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