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If you experience any of these symptoms, it's crucial to seek medical attention immediately
Taking cyanocobalamin if you have a methylation issue or MTHFR defect (3) in your genes can also cause issues as your body attempts to methylate the B12 before it can utilize it completely
Always consult with a healthcare professional before starting any new supplement regimen to ensure it is safe and appropriate for your individual health needs
However, those with allergies may face some side effects that may lead to something serious
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