Wani kananan bincike na shekarar 2011 ya gwada ko shan lita 0.5 na ruwan beetroot mai nitrate zai hanzarta lokutan tuki a gwajin 4 km da 16.1 km. Maza masu tsere tara da suka sha wannan ruwan awanni 2.5 kafin tseren sun samu inganta lokutan da kashi 2.8 % da 2.7 % ba tare da wani ƙaruwa a yawan amfani da iskar oxygen (VO₂) ba. Wannan yana nuni da ƙara ƙarfin aiki ba tare da ƙara nauyin tsarin numfashi ba.
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