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The aqueous environment enables hydrolysis, oxidation, and aggregation
These side effects are typically very short-lived, if they occur at all, and should predictably resolve within 15 minutes of administration
Regulatory status differs for medical use, retail use, and athletic competition
People who have celiac disease or regularly take acid reducing drugs might consider having B12 injections to compensate for their diminished ability to absorb B12 from their foods naturally
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