Additive Effects of Exercise and Vitamin D Supplementation (with and without Calcium) on Bone Mineral Density in Older Adults: A Systematic Review and Meta-Analysis

Table 4

Vit-D and Ca supplement characteristics of the included studies (MV ± SD).

Study	Baseline intake Vit-D (IU/d)	Baseline 25(OH)D-levels (ng/ml)	Vit-D supplementation (IU/d)	Baseline intake calcium (mg/d)	Ca supplementation (mg/d)
Garcia-Gomariz et al. (2022)	EX: n.g	n.g	400	n.g	600
	Comb: n.g	n.g		n.g
Kukuljan et al. (2011)	EX: 32 ± 44^a	34 ± 16	800	911 ± 360	1000
	Comb: 48 ± 84	36 ± 12		1064 ± 449
Mason et al. (2016)	EX: 580^b	21 ± 6	2000	1170 ± 633	—
	Comb: 515	21 ± 6		1071 ± 564
Nelson et al. (1991)	EX: 116 ± 60^a	30 ± 10	284	869 ± 228	831
	Comb: 140 ± 96	28 ± 13		889 ± 303
Uusi-Rasi et al. (2015)	EX: 412 ± 144	28 ± 7	800	1119 ± 346	—
	Comb: 416 ± 156	26 ± 7		1109 ± 385

^adietary vitamin D intake only, ^bbaseline dietary vitamin D intake and supplement intake were added.