Objective: To investigate the influence of Dammarane Sapogenin make on glycogen's recovery by making subjects ingest different doses of DS.Methods: This study adopted double blind counter-balancing study and 9 subjects were divided random into placebo group,DS240(DS240 mg /day),and DS480(DS 480 mg /day).The subjects did an acute 60-mins cycling exercise(75% VO2max) after having taken DS for 4 weeks and subjects would be given high carbohydrate meal immediately after exercise.Muscle biopsy,AKT phosphorylatio...