I saw something on this last year, in an old bodybuilding mag. So I guess it came from an old study.
Myself, I personally doubt that there's as much advantage in "special preparations" drinks etc as manufacturers claim. Having said that, I find that anything with a touch of carbs is great after a long workout (2hrs plus) particularly if I have to drive home.
I don't do protein until later (and even though, only after weight sessions). I figure that it's a waste really, until my body settles a little.
In the summer, I think electrolyte replacement is potentially useful - because I sweat gallons. But I won't touch most commercial sports drinks, the ingredients list has me thinking that this is a soft drink, minus bubbles, plus a touch of salt.
Anyways, I rarely cramp up - so my salt loss must be fairly low.
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