Overview Vitamin D Supplementation and Neurocognition Status: Withdrawn Trial end date: 2020-02-24 Target enrollment: Participant gender: Summary This study will evaluate the effect of vitamin D supplementation on the neurocognitive function of older people with lower than normal levels of vitamin D at baseline Phase: Phase 2 Details Lead Sponsor: Rambam Health Care CampusTreatments: ErgocalciferolsVitamin DVitamins