The purpose of this study was to determine the effect of combining honey and eggs as an additional supplement into improving the endurance of badminton athletes. This study is a pre-experimental study which is used to find a cause-and-effect relationship and not uses control group so using research design of one-group pre-posttest design, with the number of samples counted 15 people. Based on the results of data analysis, it was found that supplementary addition of honey and eggs before the test was done to give a significant effect compared to the initial test conducted on the same sample without intervention. Provision of honey and eggs was made one hour before the exercise activity resulted in maximal endurance performance of the data showed that the mean value of endurance after being given honey and egg combination supplement on badminton athlete was 41.627 ml/kg/min, higher than the value The average initial resistance at the badminton athlete before the intervention is 37.407 ml/kg/min, so it can be concluded that there is significant influence from supplementary supplement combination of honey and egg to increase endurance athlete.