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Imodium Before a Marathon? How to Prevent Runner's Gut
Runners Connect outlines research-backed ways to prevent runner's gut, from two weeks of gut training that cut symptoms by about 60% to low-fiber pre-race meals and a 28-day probiotic. It notes that no published trial has tested Imodium in runners before a race, so it should be tested on long runs and never exceed 8 mg in 24 hours.
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