A sports dietitian cautions against competitive runners trying pickle juice on race day. McDonald's will be distributing bottles along the Chicago Marathon route.
https://www.foxnews.com/food-drink/mcdonalds-offers-pickle-juice-marathon-runners-health-experts-question-whether-works
https://www.foxnews.com/food-drink/mcdonalds-offers-pickle-juice-marathon-runners-health-experts-question-whether-works