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Pyridoxine is categorized as pregnancy category A, meaning controlled studies have shown no risk to the fetus

Another dosing recommendation begins with 1000 mcg daily for the first seven to 10 days, then 1000 mcg weekly for a month, followed by 1000 mcg monthly for life

For instance, in one very small study involving 15 women, researchers found that while glycine didnt increase how much sleep the women got, it did seem to help them have a deeper sleep that left them feeling more rested in the morning

The NHS Inform Scotland guidance ties the maintenance schedule to the cause of the deficiency, which is why the plan is revisited rather than left on autopilot

Dose-response relationships appear to be tissue-specific, with adipose tissue showing high sensitivity while other tissues may require higher concentrations for detectable effects