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Common side effects are usually mild and temporary
If you have had weight loss surgery and are experiencing fatigue or neurological symptoms, B12 testing and consultation with a qualified provider should be a priority
When you receive your B12, dont worry if you see just a tiny bit of powder in the vial
Muscle, tendon, and ligament healing typically show progress over several weeks
This is usually a localized immune response rather than a true allergy
Work through these troubleshooting steps in order, making one change at a time and allowing two weeks to assess each modification's impact
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