Athletes face big food temptations in the Olympic Village dining hall . It is open 24 hours and can seat 5,000 people , serving 60,000 daily meals . Most athletes use supplements to bolster their dietary intake , everything from everyday vitamins such as magnesium and iron plus products such as whey protein , creatine , carnitine and branched-chain amino acids ( BCAAs ) specifically aimed at improving performance and recovery . Many competitors have extreme eating habits but taper off at any time . They have to be responsible for everything they put in their mouth , says dietitian .
Athletes face big food temptations in the Olympic Village dining hall . It is open 24 hours and can seat 5,000 people , serving 60,000 daily meals . Many competitors have extreme eating habits but taper off at any time . They have to be responsible for everything they put in their mouth , says dietitian .