A combination of oral L-citrulline and L-arginine improved 10-min full-power cycling test performance in male collegiate soccer players: a randomized crossover trial

This randomized controlled trial investigated the effects of L-citrulline and L-arginine supplementation on high-intensity cycling performance in 24 male collegiate soccer players. Participants received either a daily dose of 1.2 g of L-citrulline and 1.2 g of L-arginine or a placebo for seven days, with the final dose taken one