The present invention relates to a new composition, made up of pyridoxine, folic acid and magnesium ions in chloride salt form for the manufacture of a medicinal product for treating cancer with the right combination of these active ingredients, which cover the 360 degree spectrum in the brain, as regards regulation of the synthesis of the four main neurotransmitter in the brain, working by virtue of the combination with the required proportions of the substances proposed herein, restoring normal tissue behaviour at the site, eliminating malignant and benign tumors without the need to use destructive methods such as chemotherapy, radiation therapy and organ harvesting. Said composition may be administered intravenously or in the form of tablets or syrup.
