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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Water intake
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[QUOTE="nephron, post: 1152925, member: 23759"] Gatorade is still hypotonic, and you can equally well use it drink yourself into a brain-edema inducing stuporous coma. ;) Don't believe the shat about it being salt-repleting...it simply ain't. Let's see: Wikipedia says Gatorade has 464mg/L sodium, 129mg/L Potassium (don't count carbs as they're burned off and leave you with, effectively, free water). That's 20 meq Na/L (MW=23g/mol) and 3 meq/L potassium (39g/mol). 23meq/L of cation or total non-glucose osmolality of 46mosm/L. That's is less than sweat, chief. Sweat is 50meq/L Na, 5meq/L K, or 110mOsm/L. Serum is 300. In other words, if all you did was replace your sweat with gatorade, your sodium would drop, because you'd be repleting yourself with a solution 1/2 the osmolality of sweat. I'll see if I can come across some seriously useful information in cut and dried fashion---x number of hours, x number of liters, x mgNa, etc. [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Water intake
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