Article from the NT Times online…
Phys Ed: Do Protein Sports Drinks Work?
By GRETCHEN REYNOLDS
Could sports drinks be improved with the addition of protein? That question has long gripped physiologists and nutritionists. It’s well established that the carbohydrates (sugars) that sweeten most sports drinks aid performance. They provide immediate fuel for straining muscles, keep blood-sugar levels stable and allow you to work out for a longer period of time or at a higher intensity, or both, than if you don’t swallow any extra fuel. But why wouldn’t taking in protein, together with carbohydrates, during a workout or race make you even more speedy and durable? Protein, after all, is what muscles fundamentally are made of, so it seems reasonable to imagine that adding it to sports drinks could provide some additional benefit.
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