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Little solid evidence exists that antioxidants and other supplements help people with frontotemporal dementia. There has been some controversy over the use of high doses of vitamin E to help slow the progression of Alzheimer's disease. Based on modest success with Alzheimer's disease, some doctors may recommend that patients with frontotemporal dementia take 1,000 IUs of vitamin E twice a day.
A person with frontotemporal dementia and family members should talk with his or her doctor about whether to take antioxidants and other supplements, such as coenzyme Q10, vitamin C, and B vitamins, to support brain health.