Pyridoxine is used in cell culture and other applications as a precursor to pyridoxal phosphate. It has been used as a standard in RP-HPLC (reversed phase high performance liquid chromatography) method. Pyridoxine has been used as a diet supplement to study lipid profile in rats.;Pyridoxine is used in cell culture and other applications as a precursor to pyridoxal phosphate. It has been used as a standard in RP-HPLC (reversed phase high performance liquid chromatography) method. Pyridoxine has been used as a diet supplement to study lipid profile in rats.A form of vitamin B6