Magnesium Valproate is a medicine which is used for the treatment of abnormal tissue growth and epilepsy condition. It is known to have anticonvulsant, antimanic, and antimigraine properties. This is a magnesium salt form of valproate acid having chemical formula C16H30MgO4 and molar mass of 310.717 g/mol. It works by inducing apoptosis, growth arrest, and tumor cell differentiation by inhibiting histone deacetylases. This drug may also increase gamma aminobutyric acid in the brain.