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Purpose The aim of this study is to find how the pyruvate intake and aerobic exercise effect on the body composition, exercise performance ability, blood factor and obesity related hormone, and to verify the effect of pyruvate intake and aerobic exercise as an effective substance for obesity improvement. Methods This study selected 20 obese men in their twenties who has more BMI than 25kg/m2, and are applicable in 25% of the body fat, and randomly sampled group of 10 people for pyruvate intake and aerobic exercise (PYA), and 10 people for placebo intake and aerobic exercise (PLA). Intake of pyruvate and placebo was implemented for 10 weeks, 6 g a day, and aerobic exercise, treadmill exercise in the intensity of 50 ~ 60%’s target heart rate, was conducted for 10 weeks, 3 times a week, 60 minutes a day. To demonstrate the effect of pyruvate intake and aerobic exercise, all of the body composition, exercise performance ability, Lactate, and blood factor and hormone related to obesity were measured before and after the test in the same manner. Results The main results from this study are as follow; 1) In the case of body composition, in PYA, weight(p &lt; .01), BMI(p &lt; .05), body fat percentage(p &lt; .01), and body weight without fat(p &lt; .001) are reduced meaningfully. 2) In the exercise performance ability increased significantly in both PYA(p &lt; .01) and PLA(p &lt; .001) for VO2max, Also, in the case of distance during the exercise, PYA(p &lt; .01) and PLA(p &lt; .05) increased significantly in 15 minutes and PYA(p &lt; .01) and PLA​(p &lt; .05) 30 minutes, but only in PYA from 45 minutes(p &lt; .01) to 60 minutes(p &lt; .05) 3) In case of Lactate, the significant decrease in PYA during stabilization and the significant increase in PYA after 30 minutes of exercise was not seen after 45 minutes 4) In the case of blood factor, HDL-C showed a meaningful decrease in PLA(p &lt; .05) and Leptin showed a meaningful decrease in PYA(p &lt; .001). Conclusions To sum up these results, it was more effective for the group of PYA which ingested pyruvate in improving obesity, even when the same aerobic exercise is conducted.

The effect of pyruvate intake and aerobic exercise on the change of serum parameters and body composition in obese men