Benefits of B12

• Sleep
• Metabolism
• Energy levels 
• Immune health
• Hair, skin, nail health 
• Brain/cognitive health
• Bone health (preventing osteoporosis)
• Eye health (preventing macular degeneration)
• Better mood (plays a role in serotonin synthesis)

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Administration

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• Administered via injection intramuscularly (in the muscle); typically in the upper arm 
• Can be administered on a weekly or monthly basis 

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Side Effects

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Side effects are rare, but here are some to consider. If they do occur, symptoms typically resolve quickly: 

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• Headache, dizziness
• Injection site discomfort
• Nausea, vomiting, diarrhea 

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Allergic reactions are rare. If you have the symptoms below, please seek emergent care:

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• Itching/hives
• Shortness of breath, wheezing
• Tongue or throat swelling, difficulty swallowing 

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Cost

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• Monthly injection (3ml): $40
• Weekly injection (1ml): $25

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