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Skratch Lab's Exercise Hydration Mix, also known as “Secret Drink Mix”, was developed and tested in the field with athletes competing in races like the Tour de France. For years, athletes would secretly dump their sponsors’ drinks to replace it with Skratch Lab's, earning the name SDM from the pros who used it. Those athletes will tell you that they felt better, performed better, and didn’t experience the bloating and stomach issues that they did with other sports or electrolyte drinks. The secret was that Skratch Lab's drink just worked better. And now that the secret is out, everyone can use this exercise drink mix to optimize hydration – whether cycling, running, skiing, clubbing, or heck, whenever you’re sweating.