Hydration & sports drinks is big business, but when did sports drinks hydrate better than water? The BMJ investigated the medical specialty of Hydration, and suggested there may corporate backing involved.
Gatorade claimed to be able to prevent dehydration and muscle cramps. Pepsi Co bought Gatorade & clever marketing yielded $5 Billion sales in 2010. Gatorade began its own research as did many others. Some of these 20oz Sports drinks have 18g of sugar. Food for thought!