Top Stories · October 9, 2026
McDonald's offers pickle juice to marathon runners, health experts question whether it works
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Neutral Summary
McDonald's is launching a marketing campaign during the Chicago Marathon weekend by distributing limited-edition bottles of 'Pickle Boost,' a bottled version of its pickle brine. The promotion, running from October 9 to October 11, targets runners and spectators based on the popular belief that pickle juice aids in relieving muscle cramps. However, sports dietitians and health experts warn that scientific evidence on its effectiveness is mixed, noting that it should not replace standard hydration and fueling strategies, especially for runners who have not tested it during training.
McDonald's is launching a marketing campaign during the Chicago Marathon weekend by distributing limited-edition bottles of 'Pickle Boost,' a bottled version of its pickle brine. The promotion, running from October 9 to October 11, targets runners and spectators based on the popular belief that pickle juice aids in relieving muscle cramps. However, sports dietitians and health experts warn that scientific evidence on its effectiveness is mixed, noting that it should not replace standard hydration and fueling strategies, especially for runners who have not tested it during training.