Study Status: Not yet recruiting
Recruit Status: Not yet recruiting
Study Type: Interventional
Official Title: Effect of Vitamin D on Cognitive Decline of Patients With Memory Complaint
Brief Summary: As recommended allowance of oral vitamine D are unable to ensure the recommended serum concentration of vitamine D, the purpose of this study is to show that a dose of vitamin D3 higher than the recommended allowance may slow the cognitive decline of patients with a memory complaint.