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B Vitamins and the Brain: Mechanisms, Dose and Efficacy - A Review
Research from 2008 found the body absorbs roughly 1.3% of a 1,000 mcg oral dose, compared with 55% to 97% for an injected dose of the same size
Food and Drug Administration (FDA) for therapeutic use
A B12 injection is a different format than a pill or food source and is given by our injection team
Many people make the mistake of injecting B12 too quickly, which can cause discomfort, bruising, and reduced absorption
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