%0 Journal Article %A Holly P. Kilim %A Harold Rosen %T Optimizing calcium and vitamin D intake through diet and supplements %D 2018 %R 10.3949/ccjm.85a.17106 %J Cleveland Clinic Journal of Medicine %P 543-550 %V 85 %N 7 %X Calcium, a key component of bone, is obtained through diet or supplements, or both, and vitamin D is necessary for normal calcium absorption. Controversy exists as to the efficacy and even the safety of calcium. Our opinion, backed by studies and guidelines, is that adequate amounts of calcium are a must for patients concerned about bone health, and cardiovascular safety is not a concern. %U https://www.ccjm.org/content/ccjom/85/7/543.full.pdf