Why was this study done?

Osteoporosis is a major health concern and determining the right amount of calcium supplementation is important.

What did the study find?

This review of studies reviews studies totaling 619 women between the age of 36-75 and found supplementation of calcium to be safe and effective for the prevention of osteoporosis.

Effects of Calcium and Micronutrients on Premenopausal and Postmenopausal Bone Loss
Authors: Albanese AA, et al. JAMA, 1980. 244(17):1915.
PDF Abstract: JAMA, 1980.