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However, the remaining portion is converted by cytochrome P450 enzymes into N-acetyl-p-benzoquinone imine (NAPQI), a toxic metabolite
[4] Since the advent of mandatory folic acid fortification in 1998, neural tube birth defects have dropped by 28%, and studies have shown that far fewer people have low levels of folate in their blood
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Pros and cons of regular B12 injections B12 injections are a popular way to supplement vitamin B12, but theyre not without their drawbacks
Other possible symptoms may include headache or tiredness
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