Doses of pyridoxine as low as 5-10 mg can antagonize levodopas effect if carbidopa is not present, so caution is warranted and any supplemental B beyond the nutritional dose should be under medical guidance
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This longevity of research interest is itself informative: compounds that fail to replicate across independent laboratories typically disappear from the literature within a decade
Handle using appropriate laboratory protective equipment
Most conditions need 48 weeks minimum
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