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Potential Side Effects and Safety Considerations Vitamin B12 injections are usually safe but can have side effects

21 CFR Parts 210-211

When You Might Need Higher B12 Doses While the standard RNI of 1.5 mcg per day suffices for most healthy adults, certain medical conditions, dietary patterns, and medications can substantially increase B12 requirements or impair absorption, necessitating higher therapeutic doses under medical supervision

Use with caution

If you or a family member are experiencing unexplained fatigue, memory issues, or have risk factors for B12 deficiency, we encourage you to schedule a consultation