Bicycling (South Africa) - - Stories -

The act of load­ing up on flu­ids and elec­trolytes to pump up your blood vol­ume be­fore ex­er­cise. “It al­lows you to stay hy­drated/avoid de­hy­dra­tion in ex­treme ex­er­cise cir­cum­stances,” says Stacy Sims, PhD, se­nior re­search sci­en­tist at the Univer­sity of Waikato in New Zealand.

WHEN TO DO IT Tak­ing in this much sodium can cause bloat­ing and dis­com­fort; it may also raise your blood pres­sure and strain your car­dio­vas­cu­lar sys­tem. Save it for the hardest rides in ex­treme con­di­tions, like three-plus hours in high heat, or rac­ing at al­ti­tude. It can also help women who have a big event dur­ing PMS, when hor­mone shifts cause blood plasma vol­ume to drop. As with all hy­dra­tion and nu­tri­tion strate­gies, test it out be­fore an event.


Look for pack­aged hyperhydration prod­ucts in­clud­ing Osmo Preload Hy­dra­tion (for men and women) and Skratch Labs Hy­per Hy­dra­tion. Or try Nuun Elec­trolytes Hy­dra­tion Tablets (3 in 500ml wa­ter the night be­fore; 6 in 500ml wa­ter the morn­ing of). Be warned: hyperhydration is salty; the taste is strong.

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