Idebenone is a cerebral stimulant and increases brain energy levels. It is also used to treat and prevent strokes. The chemical structure of Idebenone is similar to that of co-enzyme Q10. However researchers believe that CoQ10 under certain circumstances may become a pro-oxidant, a trait not present in Idebenone. Like CoQ10, Idebenone has protects the heart and is a potent antioxidant. According to a study published in Neuropsychobiology (1997;36:73-82), "three hundred patients with mild-to-moderate Alzheimer's disease were randomized to receive either placebo, idebenone 30 mg three times per day, or 90 mg three times per day for six months. Statistically significant improvement was noted in the total score of the Alzheimer's Disease Assessment Scale (ADAS-total), and in one cognitive parameter (ADAS-cog). An analysis of therapy responders revealed significant improvement in three outcome measures (clinical global response, ADAS-Cog, and non-cognitive scores) in the idebenone 90 mg three times per day group, compared to placebo". May cause insomnia, gastralgia, nausea and anxiety. No known contraindications. If taking other anti-convulsants, consult a Doctor before beginning this medication.