In 2014, Chen et al12 published a meta-analysis including
the REDOX trial but the authors did not split the 4 different
study groups, including therefore also antioxidant supplement-
ation. This did not allowed an independent evaluation on the
effect of GLN.10 However, the results were much more similar
to ours showing no benefit of GLN on mortality and LOS,
although they reported a significant reduction of infections in
the treated group. Conversely, they included burn injury,52 a
quasi randomized trial,53 and a study where GLN was given
in combination with probiotics in adults and children.54
Once more, we found 16 additional trials to be ana- lyzed