“…At 72 and 96 hours, the zinc group had less diarrhea compared to the control group (45% vs. 86%, respectively). A meta-analysis (including 18 clinical trials with 6165 participants) showed that zinc supplementation resulted in a shorter diarrhea duration in acute diarrhea, and less diarrhea at Day 3 and Day 5, similar to our results (17). In contrast to other studies, a recently made double-blind randomized study about zinc supplementation for acute diarrhea in Switzerland showed that zinc treatment decreases the frequency and severity of diarrhea in children aged 2 months to 5 years old, but not the duration of diarrhea (20).…”