Isotope Labelled analogue of Pyridoxal, one of the three natural forms of vitamin B6, along with pyridoxamine and pyridoxine. All of these forms are converted in the human body into a single biologically active form, Pyridoxal 5-phosphate. Green plants are a natural source of Pyridoxal, and its deficiency in the human body can lead to serious complications such as epilepsy and seizures.
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