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In fact, research shows that people with sufficient B12 levels are only 20% as likely to suffer from such neurological symptoms as migraines or headaches as others
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It's sterile water with 0.9% benzyl alcohol added as a preservative
B12 deficiency can cause fatigue, mood changes, and difficulty concentrating
The injections work through different mechanisms, so they can complement each other safely under medical supervision
Safety Considerations Usually well-tolerated in research studies
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