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The injection is given subcutaneously or intramuscularly and can be self-administered at home after training
Initial effects include increased energy and improved mental clarity within the first week
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People Experiencing Unexplained Fatigue or Brain Fog Even without a formal diagnosis of deficiency, many people feel chronically tired, foggy, or unmotivatedsymptoms that can stem from suboptimal B12 levels
If supplements are required, most over-the-counter multivitamins contain more than enough B12 to cover your daily requirement
Some studies show that anywhere between 200-800mcg per day is safe
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