The first objective is to determine the efficacy of calcium and vitamin D supplementation at
doses of 1200 mg and 800 IU, respectively, to reduce the incidence of falls and fractures in
non-institutionalized elderly people.
The second objective is to measure and compare treatment groups (calcium and vitamin D vs
placebo) as regards muscle strength and musculoskeletal function, bone mineral density,
calcidiol level and treatment safety.