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Ludwigia octovalvis extract (LOE) is a widely used traditional Chinese herbal medicine. To date, few studies have demonstrated the effect of LOE supplementation on exercise performance, physical fatigue and biochemical profile. The purpose of this study is to evaluate the potential beneficial effects of LOE extract on fatigue and ergogenic functions following physiological challenge. Male ICR mice from 3 groups (n=8 per group) were orally administered LOE for 4 weeks at 0 (vehicle), 61.5 (LOE-1X) or 307.5 (LOE-5X) mg/kg/day. LOE supplementation was able to dose-dependently increase endurance swimming time (P&lt;0.0001) and decrease levels of serum lactate (P=0.0022), ammonia (P&lt;0.0001), creatine kinase (P&lt;0.0001), blood urea nitrogen (P&lt;0.0001) and glucose utilization (P&lt;0.0001) after acute exercise challenge. The glycogen in gastrocnemius muscle also increased with LOE treatment in a dose-dependent manner (P&lt;0.0001). Biochemically, AST, ALT, LDH, CK, BUN, creatinine and UA levels were decreased with LOE treatment. Our study shows that 4-week supplementation with LOE increases muscle glycogen content storage to enhance exercise performance and anti-fatigue effects.

Ludwigia octovalvis (Jacq.) raven extract supplementation enhances muscle glycogen content and endurance exercise performance in mice