“…54 In all, 11 studies reported prevalence of selenium use among 7109 men; 22,24,28,36,50,51,54,56,[58][59][60] this ranged from 4.1 28 to 26.6%. 54 In all, 11 studies reported the prevalence of herbal medicine and supplement use among 5274 men; 24,29,[34][35][36][37]39,40,45,60,62 this ranged from 1.2 35 to 21.7%. 37 In all, 9 studies reported on use of vitamins among 1734 men; 29,34,35,37,40,54,56,59,62 this ranged from 3.6 62 to 79.3%.…”