This study aims to examine the benefit of Astaxanthin as adjuvant therapy for Alzheimer's disease.
This study adapts a randomized, double-blind, placebo-controlled trial, to exam the possible benefit of Astaxanthin on Alzheimer disease. The enrolled Alzheimer patients will take Astaxanthin or placebo for 1 year. We will follow up Mini-Mental State Examination, Cognitive Ability Screening Instrument, Clinical Dementia Rating, and Neuropsychiatric Inventory at the end of the study.