Bottled fruit juice labels provide the sugar content information needed for a more precise recipe for making 100% natural homemade sports drinks. This allows us to make a sports drink with the optimum sugar concentration for most rapid absorption of the fluid into your body.
Hydration Fruit-Ade homemade 100% natural sports drinks.
http://brt-insights.blogspot.com/2009/09/hydration-fruit-ade-natural-fruit.html

Stevia can be used for sweetening & flavor enhancement whenever the diluted fruit juice tastes too bland.
http://brt-insights.blogspot.com/2009/10/stevia-natural-sweetener-enhances.html