Fig. 1. Experimental Diagram. HRRmax, maximum heart rate reserved. No meat consumption on day 12–15. *Fasting blood sample. **Placebo group: 12 g of glucose/day. BCAA group: 12 g of BCAAs/day (BCAAs: branched-chain amino acids; leucine 54%, isoleucine 19%, valine 27%). ***Carbohydrate 58.5%, protein 14.4%, lipid 27.1%; 11 kcal/kg body weight.