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Nitrous oxide, a commonly used anesthetic, oxidizes and inactivates vitamin B 12 , thus inhibiting both of the vitamin B 12 -dependent enzymes, and can produce many of the clinical features of vitamin B 12 deficiency, such as megaloblastic anemia and neuropathy
If you notice increased anxiety after starting B12 supplementation, it's worth discussing with your provider
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This contains 0.9% sodium chloride plus the benzyl alcohol preservative
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