Pyridoxine (vitamin B6): Was found to be more effective than methylphenidate (Ritalin) in treating a group of hyperactive children in a double-blind, crossover study.

• 吡哚素(维生素B6)：在一个双盲交互研究中，被发现比哌醋甲酯(利他能)对过动组的小孩更为有效。