You can find good info about coconut oil and lots of other natural supplements for Alzheimer’s and dementia in this book: Awakening from Alzheimers: How 9 Maverick Doctors are Reversing Alzheimer’s, Dementia and Memory Loss.
Here’s a book with good information on natural supplements for Alzheimer’s: Awakening from Alzheimer’s: How 9 Maverick Doctors are Reversing Alzheimer’s, Dementia and Memory Loss