Therapeutic Diets in Alzheimer's Disease

By doing this study, researchers hope to learn how the ketogenic and Therapeutic Lifestyles Changes diets affect cognition in patients with Alzheimer's disease.

Inclusion Criteria: * Diagnosis of AD by current McKhann et al. criteria * CDR global score of 0.5 or 1 * Agreed cooperation from an appropriate study partner * Speaks English as primary language * Age 50 to 90 * No medication changes within the past 30 days Exclusion Criteria: * Resides in a nursing home or dementia special care unit, or cannot control diet * A potentially confounding serious medical risk including insulin-requiring diabetes, cancer requiring chemotherapy or radiation within the past 5 years, or a recent cardiac event (i.e. heart attack, angioplasty, etc.) * Participating in another clinical trial or using an investigational drug or therapy within 30 days of the Screening Visit * A history of renal stones