“…Along with baseline circulating 25(OH) vitamin D levels and dosing regimens, there are other factors which may display a critical role in determining the overall vitamin D balance and, thus, its therapeutic effects on organs and systems [ 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 ].…”