Quote:
Originally Posted by Swish
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Someone said to me that if you keep some salt tablets with you (available from chemists) on a long run that it's better than the all-singing, all-dancing sport/hydration drinks in terms of keeping electrolyte levels up. Came from a marathon runner, has anyone else done this or tried this on a long run.
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Average Electrolytes Lost in 315 mL Sweat:
Sodium (mg): 220
Potassium (mg): 63
Calcium (mg): 18
Magnesium (mg): 8
Looks like your really have to crunch numbers to see if electrolyte replacement tablets are the best route vs just getting through diet and sports drinks. If you're running for 2-3 hours it's probably reasonable.