“…In total, 17 studies involving intervention with vitamin D supplements were identified, which are presented in Table 1 . Participants’ (n = 4482) mean age varied from 43 to 75 years, and the durations of the studies ranged from 8 weeks to 3 years [ 18 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 ]. In seven studies, only females were included [ 18 , 32 , 33 , 34 , 35 , 36 , 37 ], in two studies, only males were included [ 38 , 39 ], while in the remaining eight studies, both sexes were included [ 40 , 41 , 42 , 43 , 44 , 45 , 46 ].…”