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If B12 levels are already normal, additional B12 is unlikely to improve fatigue
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For active fatigue or low energy, Triny typically runs weekly injections for 4 to 6 weeks, then tapers to monthly
Role of Vitamin B12 in the Body Vitamin B12 helps make red blood cells that carry oxygen
Some pursue B12 injections for energy during busy seasons or travel
Fifteen known drugs can interact with Vitamin B12, including both prescription and over-the-counter options
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